Home / 1,306,229.89-1,802,537.41-725,490.15

Finding the Fourth Proportional to 1,306,229.89, 1,802,537.41 and 725,490.15

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Solution

The fourth proportional to 1,306,229.89, 1,802,537.41 and 725,490.15 is: 1,001,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,229.89 : 1,802,537.41 = 725,490.15 : x
  2. Step 2: Convert to fraction form
    1,306,229.89/1,802,537.41 = 725,490.15/x
  3. Step 3: Cross multiply
    1,306,229.89x = 1,802,537.41 × 725,490.15
  4. Step 4: Simplify right side
    1,306,229.89x = 1,307,723,126,708.12
  5. Step 5: Solve for x
    x = 1,307,723,126,708.12/1,306,229.89
  6. Step 6: Final answer
    x = 1,001,143.17

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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.