Home / 1,187,543.20-1,777,961.40-924,374.20

Finding the Fourth Proportional to 1,187,543.20, 1,777,961.40 and 924,374.20

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Solution

The fourth proportional to 1,187,543.20, 1,777,961.40 and 924,374.20 is: 1,383,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,543.20 : 1,777,961.40 = 924,374.20 : x
  2. Step 2: Convert to fraction form
    1,187,543.20/1,777,961.40 = 924,374.20/x
  3. Step 3: Cross multiply
    1,187,543.20x = 1,777,961.40 × 924,374.20
  4. Step 4: Simplify right side
    1,187,543.20x = 1,643,501,646,755.88
  5. Step 5: Solve for x
    x = 1,643,501,646,755.88/1,187,543.20
  6. Step 6: Final answer
    x = 1,383,951.04

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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.