Home / 1,201,279.62-1,802,077.98-443,653.59

Finding the Fourth Proportional to 1,201,279.62, 1,802,077.98 and 443,653.59

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Solution

The fourth proportional to 1,201,279.62, 1,802,077.98 and 443,653.59 is: 665,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,279.62 : 1,802,077.98 = 443,653.59 : x
  2. Step 2: Convert to fraction form
    1,201,279.62/1,802,077.98 = 443,653.59/x
  3. Step 3: Cross multiply
    1,201,279.62x = 1,802,077.98 × 443,653.59
  4. Step 4: Simplify right side
    1,201,279.62x = 799,498,365,286.95
  5. Step 5: Solve for x
    x = 799,498,365,286.95/1,201,279.62
  6. Step 6: Final answer
    x = 665,538.94

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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.