Home / 1,654,499.20-2,481,748.80-1,087,628.80

Finding the Fourth Proportional to 1,654,499.20, 2,481,748.80 and 1,087,628.80

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Solution

The fourth proportional to 1,654,499.20, 2,481,748.80 and 1,087,628.80 is: 1,631,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,499.20 : 2,481,748.80 = 1,087,628.80 : x
  2. Step 2: Convert to fraction form
    1,654,499.20/2,481,748.80 = 1,087,628.80/x
  3. Step 3: Cross multiply
    1,654,499.20x = 2,481,748.80 × 1,087,628.80
  4. Step 4: Simplify right side
    1,654,499.20x = 2,699,221,469,245.44
  5. Step 5: Solve for x
    x = 2,699,221,469,245.44/1,654,499.20
  6. Step 6: Final answer
    x = 1,631,443.20

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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.