Home / 1,227,641.76-1,694,230.68-744,227.28

Finding the Fourth Proportional to 1,227,641.76, 1,694,230.68 and 744,227.28

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Solution

The fourth proportional to 1,227,641.76, 1,694,230.68 and 744,227.28 is: 1,027,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,641.76 : 1,694,230.68 = 744,227.28 : x
  2. Step 2: Convert to fraction form
    1,227,641.76/1,694,230.68 = 744,227.28/x
  3. Step 3: Cross multiply
    1,227,641.76x = 1,694,230.68 × 744,227.28
  4. Step 4: Simplify right side
    1,227,641.76x = 1,260,892,690,668.95
  5. Step 5: Solve for x
    x = 1,260,892,690,668.95/1,227,641.76
  6. Step 6: Final answer
    x = 1,027,085.21

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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.