Home / 1,074,920.10-1,612,380.15-738,996.90

Finding the Fourth Proportional to 1,074,920.10, 1,612,380.15 and 738,996.90

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Solution

The fourth proportional to 1,074,920.10, 1,612,380.15 and 738,996.90 is: 1,108,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,920.10 : 1,612,380.15 = 738,996.90 : x
  2. Step 2: Convert to fraction form
    1,074,920.10/1,612,380.15 = 738,996.90/x
  3. Step 3: Cross multiply
    1,074,920.10x = 1,612,380.15 × 738,996.90
  4. Step 4: Simplify right side
    1,074,920.10x = 1,191,543,932,471.53
  5. Step 5: Solve for x
    x = 1,191,543,932,471.53/1,074,920.10
  6. Step 6: Final answer
    x = 1,108,495.35

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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.