Home / 738,001.40-1,107,002.10-667,142.60

Finding the Fourth Proportional to 738,001.40, 1,107,002.10 and 667,142.60

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Solution

The fourth proportional to 738,001.40, 1,107,002.10 and 667,142.60 is: 1,000,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,001.40 : 1,107,002.10 = 667,142.60 : x
  2. Step 2: Convert to fraction form
    738,001.40/1,107,002.10 = 667,142.60/x
  3. Step 3: Cross multiply
    738,001.40x = 1,107,002.10 × 667,142.60
  4. Step 4: Simplify right side
    738,001.40x = 738,528,259,199.46
  5. Step 5: Solve for x
    x = 738,528,259,199.46/738,001.40
  6. Step 6: Final answer
    x = 1,000,713.90

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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.