Home / 1,448,691.90-2,172,940.65-383,711.10

Finding the Fourth Proportional to 1,448,691.90, 2,172,940.65 and 383,711.10

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Solution

The fourth proportional to 1,448,691.90, 2,172,940.65 and 383,711.10 is: 575,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,691.90 : 2,172,940.65 = 383,711.10 : x
  2. Step 2: Convert to fraction form
    1,448,691.90/2,172,940.65 = 383,711.10/x
  3. Step 3: Cross multiply
    1,448,691.90x = 2,172,940.65 × 383,711.10
  4. Step 4: Simplify right side
    1,448,691.90x = 833,781,447,046.22
  5. Step 5: Solve for x
    x = 833,781,447,046.22/1,448,691.90
  6. Step 6: Final answer
    x = 575,540.90

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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.