Home / 1,445,619.38-1,994,998.47-800,979.26

Finding the Fourth Proportional to 1,445,619.38, 1,994,998.47 and 800,979.26

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Solution

The fourth proportional to 1,445,619.38, 1,994,998.47 and 800,979.26 is: 1,105,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,619.38 : 1,994,998.47 = 800,979.26 : x
  2. Step 2: Convert to fraction form
    1,445,619.38/1,994,998.47 = 800,979.26/x
  3. Step 3: Cross multiply
    1,445,619.38x = 1,994,998.47 × 800,979.26
  4. Step 4: Simplify right side
    1,445,619.38x = 1,597,952,398,201.73
  5. Step 5: Solve for x
    x = 1,597,952,398,201.73/1,445,619.38
  6. Step 6: Final answer
    x = 1,105,375.61

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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.