Home / 764,002.40-1,146,003.60-752,192.60

Finding the Fourth Proportional to 764,002.40, 1,146,003.60 and 752,192.60

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Solution

The fourth proportional to 764,002.40, 1,146,003.60 and 752,192.60 is: 1,128,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,002.40 : 1,146,003.60 = 752,192.60 : x
  2. Step 2: Convert to fraction form
    764,002.40/1,146,003.60 = 752,192.60/x
  3. Step 3: Cross multiply
    764,002.40x = 1,146,003.60 × 752,192.60
  4. Step 4: Simplify right side
    764,002.40x = 862,015,427,493.36
  5. Step 5: Solve for x
    x = 862,015,427,493.36/764,002.40
  6. Step 6: Final answer
    x = 1,128,288.90

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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.