Home / 897,131.70-1,345,697.55-885,321.90

Finding the Fourth Proportional to 897,131.70, 1,345,697.55 and 885,321.90

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Solution

The fourth proportional to 897,131.70, 1,345,697.55 and 885,321.90 is: 1,327,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,131.70 : 1,345,697.55 = 885,321.90 : x
  2. Step 2: Convert to fraction form
    897,131.70/1,345,697.55 = 885,321.90/x
  3. Step 3: Cross multiply
    897,131.70x = 1,345,697.55 × 885,321.90
  4. Step 4: Simplify right side
    897,131.70x = 1,191,375,511,791.35
  5. Step 5: Solve for x
    x = 1,191,375,511,791.35/897,131.70
  6. Step 6: Final answer
    x = 1,327,982.85

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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.