Home / 1,243,789.38-1,862,694.18-709,691.10

Finding the Fourth Proportional to 1,243,789.38, 1,862,694.18 and 709,691.10

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Solution

The fourth proportional to 1,243,789.38, 1,862,694.18 and 709,691.10 is: 1,062,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,789.38 : 1,862,694.18 = 709,691.10 : x
  2. Step 2: Convert to fraction form
    1,243,789.38/1,862,694.18 = 709,691.10/x
  3. Step 3: Cross multiply
    1,243,789.38x = 1,862,694.18 × 709,691.10
  4. Step 4: Simplify right side
    1,243,789.38x = 1,321,937,481,567.80
  5. Step 5: Solve for x
    x = 1,321,937,481,567.80/1,243,789.38
  6. Step 6: Final answer
    x = 1,062,830.66

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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.