Home / 1,110,348.20-1,665,911.10-479,714.60

Finding the Fourth Proportional to 1,110,348.20, 1,665,911.10 and 479,714.60

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Solution

The fourth proportional to 1,110,348.20, 1,665,911.10 and 479,714.60 is: 719,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,348.20 : 1,665,911.10 = 479,714.60 : x
  2. Step 2: Convert to fraction form
    1,110,348.20/1,665,911.10 = 479,714.60/x
  3. Step 3: Cross multiply
    1,110,348.20x = 1,665,911.10 × 479,714.60
  4. Step 4: Simplify right side
    1,110,348.20x = 799,161,876,972.06
  5. Step 5: Solve for x
    x = 799,161,876,972.06/1,110,348.20
  6. Step 6: Final answer
    x = 719,739.88

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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.