Home / 1,327,205.25-1,990,815.17-329,933.25

Finding the Fourth Proportional to 1,327,205.25, 1,990,815.17 and 329,933.25

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Solution

The fourth proportional to 1,327,205.25, 1,990,815.17 and 329,933.25 is: 494,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,205.25 : 1,990,815.17 = 329,933.25 : x
  2. Step 2: Convert to fraction form
    1,327,205.25/1,990,815.17 = 329,933.25/x
  3. Step 3: Cross multiply
    1,327,205.25x = 1,990,815.17 × 329,933.25
  4. Step 4: Simplify right side
    1,327,205.25x = 656,836,117,537.74
  5. Step 5: Solve for x
    x = 656,836,117,537.74/1,327,205.25
  6. Step 6: Final answer
    x = 494,901.69

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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.