Home / 1,150,723.28-1,587,645.72-667,191.35

Finding the Fourth Proportional to 1,150,723.28, 1,587,645.72 and 667,191.35

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Solution

The fourth proportional to 1,150,723.28, 1,587,645.72 and 667,191.35 is: 920,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,723.28 : 1,587,645.72 = 667,191.35 : x
  2. Step 2: Convert to fraction form
    1,150,723.28/1,587,645.72 = 667,191.35/x
  3. Step 3: Cross multiply
    1,150,723.28x = 1,587,645.72 × 667,191.35
  4. Step 4: Simplify right side
    1,150,723.28x = 1,059,263,495,217.64
  5. Step 5: Solve for x
    x = 1,059,263,495,217.64/1,150,723.28
  6. Step 6: Final answer
    x = 920,519.74

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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.