Home / 1,306,499.98-1,802,909.03-725,760.74

Finding the Fourth Proportional to 1,306,499.98, 1,802,909.03 and 725,760.74

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Solution

The fourth proportional to 1,306,499.98, 1,802,909.03 and 725,760.74 is: 1,001,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,499.98 : 1,802,909.03 = 725,760.74 : x
  2. Step 2: Convert to fraction form
    1,306,499.98/1,802,909.03 = 725,760.74/x
  3. Step 3: Cross multiply
    1,306,499.98x = 1,802,909.03 × 725,760.74
  4. Step 4: Simplify right side
    1,306,499.98x = 1,308,480,598,087.16
  5. Step 5: Solve for x
    x = 1,308,480,598,087.16/1,306,499.98
  6. Step 6: Final answer
    x = 1,001,515.97

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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.