Home / 787,614.10-1,181,421.15-731,626.90

Finding the Fourth Proportional to 787,614.10, 1,181,421.15 and 731,626.90

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Solution

The fourth proportional to 787,614.10, 1,181,421.15 and 731,626.90 is: 1,097,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,614.10 : 1,181,421.15 = 731,626.90 : x
  2. Step 2: Convert to fraction form
    787,614.10/1,181,421.15 = 731,626.90/x
  3. Step 3: Cross multiply
    787,614.10x = 1,181,421.15 × 731,626.90
  4. Step 4: Simplify right side
    787,614.10x = 864,359,493,568.94
  5. Step 5: Solve for x
    x = 864,359,493,568.94/787,614.10
  6. Step 6: Final answer
    x = 1,097,440.35

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Similar ratio
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1.5x scale

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.