Home / 1,100,654.90-1,650,982.35-721,757.15

Finding the Fourth Proportional to 1,100,654.90, 1,650,982.35 and 721,757.15

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Solution

The fourth proportional to 1,100,654.90, 1,650,982.35 and 721,757.15 is: 1,082,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,654.90 : 1,650,982.35 = 721,757.15 : x
  2. Step 2: Convert to fraction form
    1,100,654.90/1,650,982.35 = 721,757.15/x
  3. Step 3: Cross multiply
    1,100,654.90x = 1,650,982.35 × 721,757.15
  4. Step 4: Simplify right side
    1,100,654.90x = 1,191,608,315,636.30
  5. Step 5: Solve for x
    x = 1,191,608,315,636.30/1,100,654.90
  6. Step 6: Final answer
    x = 1,082,635.73

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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.