Home / 787,627.20-1,181,440.80-753,072.60

Finding the Fourth Proportional to 787,627.20, 1,181,440.80 and 753,072.60

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Solution

The fourth proportional to 787,627.20, 1,181,440.80 and 753,072.60 is: 1,129,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,627.20 : 1,181,440.80 = 753,072.60 : x
  2. Step 2: Convert to fraction form
    787,627.20/1,181,440.80 = 753,072.60/x
  3. Step 3: Cross multiply
    787,627.20x = 1,181,440.80 × 753,072.60
  4. Step 4: Simplify right side
    787,627.20x = 889,710,695,002.08
  5. Step 5: Solve for x
    x = 889,710,695,002.08/787,627.20
  6. Step 6: Final answer
    x = 1,129,608.90

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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.