Home / 1,261,635.90-1,741,052.50-688,676.52

Finding the Fourth Proportional to 1,261,635.90, 1,741,052.50 and 688,676.52

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Solution

The fourth proportional to 1,261,635.90, 1,741,052.50 and 688,676.52 is: 950,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,635.90 : 1,741,052.50 = 688,676.52 : x
  2. Step 2: Convert to fraction form
    1,261,635.90/1,741,052.50 = 688,676.52/x
  3. Step 3: Cross multiply
    1,261,635.90x = 1,741,052.50 × 688,676.52
  4. Step 4: Simplify right side
    1,261,635.90x = 1,199,021,976,837.30
  5. Step 5: Solve for x
    x = 1,199,021,976,837.30/1,261,635.90
  6. Step 6: Final answer
    x = 950,370.85

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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.