Home / 1,331,253.20-1,996,879.80-384,654.80

Finding the Fourth Proportional to 1,331,253.20, 1,996,879.80 and 384,654.80

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Solution

The fourth proportional to 1,331,253.20, 1,996,879.80 and 384,654.80 is: 576,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,253.20 : 1,996,879.80 = 384,654.80 : x
  2. Step 2: Convert to fraction form
    1,331,253.20/1,996,879.80 = 384,654.80/x
  3. Step 3: Cross multiply
    1,331,253.20x = 1,996,879.80 × 384,654.80
  4. Step 4: Simplify right side
    1,331,253.20x = 768,109,400,093.04
  5. Step 5: Solve for x
    x = 768,109,400,093.04/1,331,253.20
  6. Step 6: Final answer
    x = 576,982.20

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Similar ratio
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1.5x scale

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.