Home / 1,023,693.40-1,536,000.90-491,008.60

Finding the Fourth Proportional to 1,023,693.40, 1,536,000.90 and 491,008.60

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Solution

The fourth proportional to 1,023,693.40, 1,536,000.90 and 491,008.60 is: 736,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,693.40 : 1,536,000.90 = 491,008.60 : x
  2. Step 2: Convert to fraction form
    1,023,693.40/1,536,000.90 = 491,008.60/x
  3. Step 3: Cross multiply
    1,023,693.40x = 1,536,000.90 × 491,008.60
  4. Step 4: Simplify right side
    1,023,693.40x = 754,189,651,507.74
  5. Step 5: Solve for x
    x = 754,189,651,507.74/1,023,693.40
  6. Step 6: Final answer
    x = 736,733.92

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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.