Home / 1,107,604.40-1,661,406.42-266,156.15

Finding the Fourth Proportional to 1,107,604.40, 1,661,406.42 and 266,156.15

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Solution

The fourth proportional to 1,107,604.40, 1,661,406.42 and 266,156.15 is: 399,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,604.40 : 1,661,406.42 = 266,156.15 : x
  2. Step 2: Convert to fraction form
    1,107,604.40/1,661,406.42 = 266,156.15/x
  3. Step 3: Cross multiply
    1,107,604.40x = 1,661,406.42 × 266,156.15
  4. Step 4: Simplify right side
    1,107,604.40x = 442,193,529,023.54
  5. Step 5: Solve for x
    x = 442,193,529,023.54/1,107,604.40
  6. Step 6: Final answer
    x = 399,234.18

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Double scale
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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.