Home / 1,372,042.32-1,893,381.60-791,251.65

Finding the Fourth Proportional to 1,372,042.32, 1,893,381.60 and 791,251.65

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Solution

The fourth proportional to 1,372,042.32, 1,893,381.60 and 791,251.65 is: 1,091,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,042.32 : 1,893,381.60 = 791,251.65 : x
  2. Step 2: Convert to fraction form
    1,372,042.32/1,893,381.60 = 791,251.65/x
  3. Step 3: Cross multiply
    1,372,042.32x = 1,893,381.60 × 791,251.65
  4. Step 4: Simplify right side
    1,372,042.32x = 1,498,141,315,079.64
  5. Step 5: Solve for x
    x = 1,498,141,315,079.64/1,372,042.32
  6. Step 6: Final answer
    x = 1,091,906.05

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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.