Home / 1,227,643.76-1,694,233.56-744,229.28

Finding the Fourth Proportional to 1,227,643.76, 1,694,233.56 and 744,229.28

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Solution

The fourth proportional to 1,227,643.76, 1,694,233.56 and 744,229.28 is: 1,027,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,643.76 : 1,694,233.56 = 744,229.28 : x
  2. Step 2: Convert to fraction form
    1,227,643.76/1,694,233.56 = 744,229.28/x
  3. Step 3: Cross multiply
    1,227,643.76x = 1,694,233.56 × 744,229.28
  4. Step 4: Simplify right side
    1,227,643.76x = 1,260,898,214,039.47
  5. Step 5: Solve for x
    x = 1,260,898,214,039.47/1,227,643.76
  6. Step 6: Final answer
    x = 1,027,088.04

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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.