Home / 1,394,540.20-2,092,101.90-448,006.60

Finding the Fourth Proportional to 1,394,540.20, 2,092,101.90 and 448,006.60

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Solution

The fourth proportional to 1,394,540.20, 2,092,101.90 and 448,006.60 is: 672,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,540.20 : 2,092,101.90 = 448,006.60 : x
  2. Step 2: Convert to fraction form
    1,394,540.20/2,092,101.90 = 448,006.60/x
  3. Step 3: Cross multiply
    1,394,540.20x = 2,092,101.90 × 448,006.60
  4. Step 4: Simplify right side
    1,394,540.20x = 937,275,459,072.54
  5. Step 5: Solve for x
    x = 937,275,459,072.54/1,394,540.20
  6. Step 6: Final answer
    x = 672,103.58

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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.