Home / 1,087,928.38-1,632,187.88-329,794.60

Finding the Fourth Proportional to 1,087,928.38, 1,632,187.88 and 329,794.60

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Solution

The fourth proportional to 1,087,928.38, 1,632,187.88 and 329,794.60 is: 494,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,928.38 : 1,632,187.88 = 329,794.60 : x
  2. Step 2: Convert to fraction form
    1,087,928.38/1,632,187.88 = 329,794.60/x
  3. Step 3: Cross multiply
    1,087,928.38x = 1,632,187.88 × 329,794.60
  4. Step 4: Simplify right side
    1,087,928.38x = 538,286,747,360.48
  5. Step 5: Solve for x
    x = 538,286,747,360.48/1,087,928.38
  6. Step 6: Final answer
    x = 494,781.42

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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.