Home / 814,261.72-1,122,647.92-581,965.88

Finding the Fourth Proportional to 814,261.72, 1,122,647.92 and 581,965.88

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Solution

The fourth proportional to 814,261.72, 1,122,647.92 and 581,965.88 is: 802,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,261.72 : 1,122,647.92 = 581,965.88 : x
  2. Step 2: Convert to fraction form
    814,261.72/1,122,647.92 = 581,965.88/x
  3. Step 3: Cross multiply
    814,261.72x = 1,122,647.92 × 581,965.88
  4. Step 4: Simplify right side
    814,261.72x = 653,342,784,692.97
  5. Step 5: Solve for x
    x = 653,342,784,692.97/814,261.72
  6. Step 6: Final answer
    x = 802,374.43

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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.