Home / 887,680.20-1,331,520.30-745,962.60

Finding the Fourth Proportional to 887,680.20, 1,331,520.30 and 745,962.60

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Solution

The fourth proportional to 887,680.20, 1,331,520.30 and 745,962.60 is: 1,118,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,680.20 : 1,331,520.30 = 745,962.60 : x
  2. Step 2: Convert to fraction form
    887,680.20/1,331,520.30 = 745,962.60/x
  3. Step 3: Cross multiply
    887,680.20x = 1,331,520.30 × 745,962.60
  4. Step 4: Simplify right side
    887,680.20x = 993,264,344,940.78
  5. Step 5: Solve for x
    x = 993,264,344,940.78/887,680.20
  6. Step 6: Final answer
    x = 1,118,943.90

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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.