Home / 1,147,517.24-1,721,331.90-437,412.92

Finding the Fourth Proportional to 1,147,517.24, 1,721,331.90 and 437,412.92

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Solution

The fourth proportional to 1,147,517.24, 1,721,331.90 and 437,412.92 is: 656,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,517.24 : 1,721,331.90 = 437,412.92 : x
  2. Step 2: Convert to fraction form
    1,147,517.24/1,721,331.90 = 437,412.92/x
  3. Step 3: Cross multiply
    1,147,517.24x = 1,721,331.90 × 437,412.92
  4. Step 4: Simplify right side
    1,147,517.24x = 752,932,812,668.15
  5. Step 5: Solve for x
    x = 752,932,812,668.15/1,147,517.24
  6. Step 6: Final answer
    x = 656,140.74

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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.