Home / 1,107,615.40-1,661,423.10-266,167.15

Finding the Fourth Proportional to 1,107,615.40, 1,661,423.10 and 266,167.15

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Solution

The fourth proportional to 1,107,615.40, 1,661,423.10 and 266,167.15 is: 399,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,615.40 : 1,661,423.10 = 266,167.15 : x
  2. Step 2: Convert to fraction form
    1,107,615.40/1,661,423.10 = 266,167.15/x
  3. Step 3: Cross multiply
    1,107,615.40x = 1,661,423.10 × 266,167.15
  4. Step 4: Simplify right side
    1,107,615.40x = 442,216,251,471.17
  5. Step 5: Solve for x
    x = 442,216,251,471.17/1,107,615.40
  6. Step 6: Final answer
    x = 399,250.73

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Half scale
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Double scale
Find fourth proportional to 1,107,616.40, 1,661,424.60 and 266,168.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.