Home / 1,019,952.90-1,530,262.20-487,515.42

Finding the Fourth Proportional to 1,019,952.90, 1,530,262.20 and 487,515.42

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Solution

The fourth proportional to 1,019,952.90, 1,530,262.20 and 487,515.42 is: 731,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,952.90 : 1,530,262.20 = 487,515.42 : x
  2. Step 2: Convert to fraction form
    1,019,952.90/1,530,262.20 = 487,515.42/x
  3. Step 3: Cross multiply
    1,019,952.90x = 1,530,262.20 × 487,515.42
  4. Step 4: Simplify right side
    1,019,952.90x = 746,026,419,143.12
  5. Step 5: Solve for x
    x = 746,026,419,143.12/1,019,952.90
  6. Step 6: Final answer
    x = 731,432.23

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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.