Home / 1,063,909.20-1,597,030.20-665,000.40

Finding the Fourth Proportional to 1,063,909.20, 1,597,030.20 and 665,000.40

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Solution

The fourth proportional to 1,063,909.20, 1,597,030.20 and 665,000.40 is: 998,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,909.20 : 1,597,030.20 = 665,000.40 : x
  2. Step 2: Convert to fraction form
    1,063,909.20/1,597,030.20 = 665,000.40/x
  3. Step 3: Cross multiply
    1,063,909.20x = 1,597,030.20 × 665,000.40
  4. Step 4: Simplify right side
    1,063,909.20x = 1,062,025,721,812.08
  5. Step 5: Solve for x
    x = 1,062,025,721,812.08/1,063,909.20
  6. Step 6: Final answer
    x = 998,229.66

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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.