Home / 666,724.40-1,000,086.60-267,426.80

Finding the Fourth Proportional to 666,724.40, 1,000,086.60 and 267,426.80

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Solution

The fourth proportional to 666,724.40, 1,000,086.60 and 267,426.80 is: 401,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,724.40 : 1,000,086.60 = 267,426.80 : x
  2. Step 2: Convert to fraction form
    666,724.40/1,000,086.60 = 267,426.80/x
  3. Step 3: Cross multiply
    666,724.40x = 1,000,086.60 × 267,426.80
  4. Step 4: Simplify right side
    666,724.40x = 267,449,959,160.88
  5. Step 5: Solve for x
    x = 267,449,959,160.88/666,724.40
  6. Step 6: Final answer
    x = 401,140.20

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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.