Home / 1,202,972.40-1,802,560.14-443,769.12

Finding the Fourth Proportional to 1,202,972.40, 1,802,560.14 and 443,769.12

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Solution

The fourth proportional to 1,202,972.40, 1,802,560.14 and 443,769.12 is: 664,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,972.40 : 1,802,560.14 = 443,769.12 : x
  2. Step 2: Convert to fraction form
    1,202,972.40/1,802,560.14 = 443,769.12/x
  3. Step 3: Cross multiply
    1,202,972.40x = 1,802,560.14 × 443,769.12
  4. Step 4: Simplify right side
    1,202,972.40x = 799,920,527,074.88
  5. Step 5: Solve for x
    x = 799,920,527,074.88/1,202,972.40
  6. Step 6: Final answer
    x = 664,953.35

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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.