Home / 1,394,069.20-2,091,155.29-383,270.15

Finding the Fourth Proportional to 1,394,069.20, 2,091,155.29 and 383,270.15

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Solution

The fourth proportional to 1,394,069.20, 2,091,155.29 and 383,270.15 is: 574,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,069.20 : 2,091,155.29 = 383,270.15 : x
  2. Step 2: Convert to fraction form
    1,394,069.20/2,091,155.29 = 383,270.15/x
  3. Step 3: Cross multiply
    1,394,069.20x = 2,091,155.29 × 383,270.15
  4. Step 4: Simplify right side
    1,394,069.20x = 801,477,399,755.24
  5. Step 5: Solve for x
    x = 801,477,399,755.24/1,394,069.20
  6. Step 6: Final answer
    x = 574,919.38

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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.