Home / 1,394,998.20-2,092,788.90-448,464.60

Finding the Fourth Proportional to 1,394,998.20, 2,092,788.90 and 448,464.60

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Solution

The fourth proportional to 1,394,998.20, 2,092,788.90 and 448,464.60 is: 672,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,998.20 : 2,092,788.90 = 448,464.60 : x
  2. Step 2: Convert to fraction form
    1,394,998.20/2,092,788.90 = 448,464.60/x
  3. Step 3: Cross multiply
    1,394,998.20x = 2,092,788.90 × 448,464.60
  4. Step 4: Simplify right side
    1,394,998.20x = 938,541,736,922.94
  5. Step 5: Solve for x
    x = 938,541,736,922.94/1,394,998.20
  6. Step 6: Final answer
    x = 672,790.64

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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.