Home / 1,361,769.36-2,042,654.03-415,131.87

Finding the Fourth Proportional to 1,361,769.36, 2,042,654.03 and 415,131.87

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Solution

The fourth proportional to 1,361,769.36, 2,042,654.03 and 415,131.87 is: 622,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,769.36 : 2,042,654.03 = 415,131.87 : x
  2. Step 2: Convert to fraction form
    1,361,769.36/2,042,654.03 = 415,131.87/x
  3. Step 3: Cross multiply
    1,361,769.36x = 2,042,654.03 × 415,131.87
  4. Step 4: Simplify right side
    1,361,769.36x = 847,970,787,236.94
  5. Step 5: Solve for x
    x = 847,970,787,236.94/1,361,769.36
  6. Step 6: Final answer
    x = 622,697.80

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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.