Home / 1,107,591.47-1,661,387.20-266,143.22

Finding the Fourth Proportional to 1,107,591.47, 1,661,387.20 and 266,143.22

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Solution

The fourth proportional to 1,107,591.47, 1,661,387.20 and 266,143.22 is: 399,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,591.47 : 1,661,387.20 = 266,143.22 : x
  2. Step 2: Convert to fraction form
    1,107,591.47/1,661,387.20 = 266,143.22/x
  3. Step 3: Cross multiply
    1,107,591.47x = 1,661,387.20 × 266,143.22
  4. Step 4: Simplify right side
    1,107,591.47x = 442,166,937,330.73
  5. Step 5: Solve for x
    x = 442,166,937,330.73/1,107,591.47
  6. Step 6: Final answer
    x = 399,214.83

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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.