Home / 1,815,091.48-2,504,731.13-999,135.78

Finding the Fourth Proportional to 1,815,091.48, 2,504,731.13 and 999,135.78

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Solution

The fourth proportional to 1,815,091.48, 2,504,731.13 and 999,135.78 is: 1,378,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,091.48 : 2,504,731.13 = 999,135.78 : x
  2. Step 2: Convert to fraction form
    1,815,091.48/2,504,731.13 = 999,135.78/x
  3. Step 3: Cross multiply
    1,815,091.48x = 2,504,731.13 × 999,135.78
  4. Step 4: Simplify right side
    1,815,091.48x = 2,502,566,491,262.83
  5. Step 5: Solve for x
    x = 2,502,566,491,262.83/1,815,091.48
  6. Step 6: Final answer
    x = 1,378,755.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.