Home / 1,149,160.57-1,585,082.15-718,693.36

Finding the Fourth Proportional to 1,149,160.57, 1,585,082.15 and 718,693.36

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Solution

The fourth proportional to 1,149,160.57, 1,585,082.15 and 718,693.36 is: 991,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,160.57 : 1,585,082.15 = 718,693.36 : x
  2. Step 2: Convert to fraction form
    1,149,160.57/1,585,082.15 = 718,693.36/x
  3. Step 3: Cross multiply
    1,149,160.57x = 1,585,082.15 × 718,693.36
  4. Step 4: Simplify right side
    1,149,160.57x = 1,139,188,016,259.52
  5. Step 5: Solve for x
    x = 1,139,188,016,259.52/1,149,160.57
  6. Step 6: Final answer
    x = 991,321.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.