Home / 1,029,510.36-1,542,558.42-728,498.88

Finding the Fourth Proportional to 1,029,510.36, 1,542,558.42 and 728,498.88

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Solution

The fourth proportional to 1,029,510.36, 1,542,558.42 and 728,498.88 is: 1,091,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,510.36 : 1,542,558.42 = 728,498.88 : x
  2. Step 2: Convert to fraction form
    1,029,510.36/1,542,558.42 = 728,498.88/x
  3. Step 3: Cross multiply
    1,029,510.36x = 1,542,558.42 × 728,498.88
  4. Step 4: Simplify right side
    1,029,510.36x = 1,123,752,081,304.57
  5. Step 5: Solve for x
    x = 1,123,752,081,304.57/1,029,510.36
  6. Step 6: Final answer
    x = 1,091,540.33

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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.