Home / 1,177,344.40-1,766,146.20-429,552.40

Finding the Fourth Proportional to 1,177,344.40, 1,766,146.20 and 429,552.40

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Solution

The fourth proportional to 1,177,344.40, 1,766,146.20 and 429,552.40 is: 644,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,344.40 : 1,766,146.20 = 429,552.40 : x
  2. Step 2: Convert to fraction form
    1,177,344.40/1,766,146.20 = 429,552.40/x
  3. Step 3: Cross multiply
    1,177,344.40x = 1,766,146.20 × 429,552.40
  4. Step 4: Simplify right side
    1,177,344.40x = 758,652,338,960.88
  5. Step 5: Solve for x
    x = 758,652,338,960.88/1,177,344.40
  6. Step 6: Final answer
    x = 644,375.88

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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.