Home / 1,321,229.31-1,982,154.27-410,365.28

Finding the Fourth Proportional to 1,321,229.31, 1,982,154.27 and 410,365.28

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Solution

The fourth proportional to 1,321,229.31, 1,982,154.27 and 410,365.28 is: 615,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,229.31 : 1,982,154.27 = 410,365.28 : x
  2. Step 2: Convert to fraction form
    1,321,229.31/1,982,154.27 = 410,365.28/x
  3. Step 3: Cross multiply
    1,321,229.31x = 1,982,154.27 × 410,365.28
  4. Step 4: Simplify right side
    1,321,229.31x = 813,407,282,100.97
  5. Step 5: Solve for x
    x = 813,407,282,100.97/1,321,229.31
  6. Step 6: Final answer
    x = 615,644.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.