Home / 1,131,246.38-1,561,080.12-621,944.84

Finding the Fourth Proportional to 1,131,246.38, 1,561,080.12 and 621,944.84

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Solution

The fourth proportional to 1,131,246.38, 1,561,080.12 and 621,944.84 is: 858,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,246.38 : 1,561,080.12 = 621,944.84 : x
  2. Step 2: Convert to fraction form
    1,131,246.38/1,561,080.12 = 621,944.84/x
  3. Step 3: Cross multiply
    1,131,246.38x = 1,561,080.12 × 621,944.84
  4. Step 4: Simplify right side
    1,131,246.38x = 970,905,725,460.58
  5. Step 5: Solve for x
    x = 970,905,725,460.58/1,131,246.38
  6. Step 6: Final answer
    x = 858,261.95

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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.