Home / 1,306,500.73-1,802,910.07-725,761.50

Finding the Fourth Proportional to 1,306,500.73, 1,802,910.07 and 725,761.50

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Solution

The fourth proportional to 1,306,500.73, 1,802,910.07 and 725,761.50 is: 1,001,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,500.73 : 1,802,910.07 = 725,761.50 : x
  2. Step 2: Convert to fraction form
    1,306,500.73/1,802,910.07 = 725,761.50/x
  3. Step 3: Cross multiply
    1,306,500.73x = 1,802,910.07 × 725,761.50
  4. Step 4: Simplify right side
    1,306,500.73x = 1,308,482,716,768.31
  5. Step 5: Solve for x
    x = 1,308,482,716,768.31/1,306,500.73
  6. Step 6: Final answer
    x = 1,001,517.02

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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.