Home / 1,306,500.23-1,802,909.38-725,761

Finding the Fourth Proportional to 1,306,500.23, 1,802,909.38 and 725,761

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Solution

The fourth proportional to 1,306,500.23, 1,802,909.38 and 725,761 is: 1,001,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,500.23 : 1,802,909.38 = 725,761 : x
  2. Step 2: Convert to fraction form
    1,306,500.23/1,802,909.38 = 725,761/x
  3. Step 3: Cross multiply
    1,306,500.23x = 1,802,909.38 × 725,761
  4. Step 4: Simplify right side
    1,306,500.23x = 1,308,481,314,538.18
  5. Step 5: Solve for x
    x = 1,308,481,314,538.18/1,306,500.23
  6. Step 6: Final answer
    x = 1,001,516.33

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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.