Home / 1,361,780.82-2,042,408.25-415,247.22

Finding the Fourth Proportional to 1,361,780.82, 2,042,408.25 and 415,247.22

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Solution

The fourth proportional to 1,361,780.82, 2,042,408.25 and 415,247.22 is: 622,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,780.82 : 2,042,408.25 = 415,247.22 : x
  2. Step 2: Convert to fraction form
    1,361,780.82/2,042,408.25 = 415,247.22/x
  3. Step 3: Cross multiply
    1,361,780.82x = 2,042,408.25 × 415,247.22
  4. Step 4: Simplify right side
    1,361,780.82x = 848,104,347,917.57
  5. Step 5: Solve for x
    x = 848,104,347,917.57/1,361,780.82
  6. Step 6: Final answer
    x = 622,790.64

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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.