Home / 1,454,375.88-2,181,800.20-429,810.12

Finding the Fourth Proportional to 1,454,375.88, 2,181,800.20 and 429,810.12

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Solution

The fourth proportional to 1,454,375.88, 2,181,800.20 and 429,810.12 is: 644,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,375.88 : 2,181,800.20 = 429,810.12 : x
  2. Step 2: Convert to fraction form
    1,454,375.88/2,181,800.20 = 429,810.12/x
  3. Step 3: Cross multiply
    1,454,375.88x = 2,181,800.20 × 429,810.12
  4. Step 4: Simplify right side
    1,454,375.88x = 937,759,805,778.02
  5. Step 5: Solve for x
    x = 937,759,805,778.02/1,454,375.88
  6. Step 6: Final answer
    x = 644,785.04

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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.