Home / 1,306,502.73-1,802,912.83-725,763.50

Finding the Fourth Proportional to 1,306,502.73, 1,802,912.83 and 725,763.50

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Solution

The fourth proportional to 1,306,502.73, 1,802,912.83 and 725,763.50 is: 1,001,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,502.73 : 1,802,912.83 = 725,763.50 : x
  2. Step 2: Convert to fraction form
    1,306,502.73/1,802,912.83 = 725,763.50/x
  3. Step 3: Cross multiply
    1,306,502.73x = 1,802,912.83 × 725,763.50
  4. Step 4: Simplify right side
    1,306,502.73x = 1,308,488,325,695.71
  5. Step 5: Solve for x
    x = 1,308,488,325,695.71/1,306,502.73
  6. Step 6: Final answer
    x = 1,001,519.78

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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.