Home / 1,077,691.34-1,486,657.44-669,638.15

Finding the Fourth Proportional to 1,077,691.34, 1,486,657.44 and 669,638.15

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Solution

The fourth proportional to 1,077,691.34, 1,486,657.44 and 669,638.15 is: 923,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,691.34 : 1,486,657.44 = 669,638.15 : x
  2. Step 2: Convert to fraction form
    1,077,691.34/1,486,657.44 = 669,638.15/x
  3. Step 3: Cross multiply
    1,077,691.34x = 1,486,657.44 × 669,638.15
  4. Step 4: Simplify right side
    1,077,691.34x = 995,522,530,372.05
  5. Step 5: Solve for x
    x = 995,522,530,372.05/1,077,691.34
  6. Step 6: Final answer
    x = 923,754.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.