Home / 1,029,229.72-1,543,848.22-728,801.52

Finding the Fourth Proportional to 1,029,229.72, 1,543,848.22 and 728,801.52

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Solution

The fourth proportional to 1,029,229.72, 1,543,848.22 and 728,801.52 is: 1,093,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,229.72 : 1,543,848.22 = 728,801.52 : x
  2. Step 2: Convert to fraction form
    1,029,229.72/1,543,848.22 = 728,801.52/x
  3. Step 3: Cross multiply
    1,029,229.72x = 1,543,848.22 × 728,801.52
  4. Step 4: Simplify right side
    1,029,229.72x = 1,125,158,929,385.29
  5. Step 5: Solve for x
    x = 1,125,158,929,385.29/1,029,229.72
  6. Step 6: Final answer
    x = 1,093,204.86

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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.