Home / 748,714.20-1,121,321.70-733,680.60

Finding the Fourth Proportional to 748,714.20, 1,121,321.70 and 733,680.60

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Solution

The fourth proportional to 748,714.20, 1,121,321.70 and 733,680.60 is: 1,098,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,714.20 : 1,121,321.70 = 733,680.60 : x
  2. Step 2: Convert to fraction form
    748,714.20/1,121,321.70 = 733,680.60/x
  3. Step 3: Cross multiply
    748,714.20x = 1,121,321.70 × 733,680.60
  4. Step 4: Simplify right side
    748,714.20x = 822,691,977,649.02
  5. Step 5: Solve for x
    x = 822,691,977,649.02/748,714.20
  6. Step 6: Final answer
    x = 1,098,806.43

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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.