Home / 1,100,520.90-1,650,781.35-722,607.30

Finding the Fourth Proportional to 1,100,520.90, 1,650,781.35 and 722,607.30

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Solution

The fourth proportional to 1,100,520.90, 1,650,781.35 and 722,607.30 is: 1,083,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,520.90 : 1,650,781.35 = 722,607.30 : x
  2. Step 2: Convert to fraction form
    1,100,520.90/1,650,781.35 = 722,607.30/x
  3. Step 3: Cross multiply
    1,100,520.90x = 1,650,781.35 × 722,607.30
  4. Step 4: Simplify right side
    1,100,520.90x = 1,192,866,654,213.86
  5. Step 5: Solve for x
    x = 1,192,866,654,213.86/1,100,520.90
  6. Step 6: Final answer
    x = 1,083,910.95

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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.