Home / 1,200,999.04-1,801,755.56-442,842.69

Finding the Fourth Proportional to 1,200,999.04, 1,801,755.56 and 442,842.69

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Solution

The fourth proportional to 1,200,999.04, 1,801,755.56 and 442,842.69 is: 664,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,999.04 : 1,801,755.56 = 442,842.69 : x
  2. Step 2: Convert to fraction form
    1,200,999.04/1,801,755.56 = 442,842.69/x
  3. Step 3: Cross multiply
    1,200,999.04x = 1,801,755.56 × 442,842.69
  4. Step 4: Simplify right side
    1,200,999.04x = 797,894,267,689.87
  5. Step 5: Solve for x
    x = 797,894,267,689.87/1,200,999.04
  6. Step 6: Final answer
    x = 664,358.79

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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.