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Finding the Fourth Proportional to 968,000.20, 1,452,000.30 and 866,523.40

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Solution

The fourth proportional to 968,000.20, 1,452,000.30 and 866,523.40 is: 1,299,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,000.20 : 1,452,000.30 = 866,523.40 : x
  2. Step 2: Convert to fraction form
    968,000.20/1,452,000.30 = 866,523.40/x
  3. Step 3: Cross multiply
    968,000.20x = 1,452,000.30 × 866,523.40
  4. Step 4: Simplify right side
    968,000.20x = 1,258,192,236,757.02
  5. Step 5: Solve for x
    x = 1,258,192,236,757.02/968,000.20
  6. Step 6: Final answer
    x = 1,299,785.10

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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.