Home / 1,115,470.88-1,539,481.04-662,761.88

Finding the Fourth Proportional to 1,115,470.88, 1,539,481.04 and 662,761.88

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Solution

The fourth proportional to 1,115,470.88, 1,539,481.04 and 662,761.88 is: 914,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,470.88 : 1,539,481.04 = 662,761.88 : x
  2. Step 2: Convert to fraction form
    1,115,470.88/1,539,481.04 = 662,761.88/x
  3. Step 3: Cross multiply
    1,115,470.88x = 1,539,481.04 × 662,761.88
  4. Step 4: Simplify right side
    1,115,470.88x = 1,020,309,337,283.54
  5. Step 5: Solve for x
    x = 1,020,309,337,283.54/1,115,470.88
  6. Step 6: Final answer
    x = 914,689.36

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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.