Home / 787,614.60-1,181,421.90-731,627.40

Finding the Fourth Proportional to 787,614.60, 1,181,421.90 and 731,627.40

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Solution

The fourth proportional to 787,614.60, 1,181,421.90 and 731,627.40 is: 1,097,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,614.60 : 1,181,421.90 = 731,627.40 : x
  2. Step 2: Convert to fraction form
    787,614.60/1,181,421.90 = 731,627.40/x
  3. Step 3: Cross multiply
    787,614.60x = 1,181,421.90 × 731,627.40
  4. Step 4: Simplify right side
    787,614.60x = 864,360,633,000.06
  5. Step 5: Solve for x
    x = 864,360,633,000.06/787,614.60
  6. Step 6: Final answer
    x = 1,097,441.10

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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.