Home / 1,261,620.38-1,891,765.58-550,818.04

Finding the Fourth Proportional to 1,261,620.38, 1,891,765.58 and 550,818.04

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Solution

The fourth proportional to 1,261,620.38, 1,891,765.58 and 550,818.04 is: 825,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,620.38 : 1,891,765.58 = 550,818.04 : x
  2. Step 2: Convert to fraction form
    1,261,620.38/1,891,765.58 = 550,818.04/x
  3. Step 3: Cross multiply
    1,261,620.38x = 1,891,765.58 × 550,818.04
  4. Step 4: Simplify right side
    1,261,620.38x = 1,042,018,608,076.97
  5. Step 5: Solve for x
    x = 1,042,018,608,076.97/1,261,620.38
  6. Step 6: Final answer
    x = 825,936.73

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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.