Home / 1,398,830.58-2,098,245.76-387,952.52

Finding the Fourth Proportional to 1,398,830.58, 2,098,245.76 and 387,952.52

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Solution

The fourth proportional to 1,398,830.58, 2,098,245.76 and 387,952.52 is: 581,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,830.58 : 2,098,245.76 = 387,952.52 : x
  2. Step 2: Convert to fraction form
    1,398,830.58/2,098,245.76 = 387,952.52/x
  3. Step 3: Cross multiply
    1,398,830.58x = 2,098,245.76 × 387,952.52
  4. Step 4: Simplify right side
    1,398,830.58x = 814,019,730,171.32
  5. Step 5: Solve for x
    x = 814,019,730,171.32/1,398,830.58
  6. Step 6: Final answer
    x = 581,928.75

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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.