Home / 1,394,327.20-2,091,490.80-448,376.80

Finding the Fourth Proportional to 1,394,327.20, 2,091,490.80 and 448,376.80

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Solution

The fourth proportional to 1,394,327.20, 2,091,490.80 and 448,376.80 is: 672,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,327.20 : 2,091,490.80 = 448,376.80 : x
  2. Step 2: Convert to fraction form
    1,394,327.20/2,091,490.80 = 448,376.80/x
  3. Step 3: Cross multiply
    1,394,327.20x = 2,091,490.80 × 448,376.80
  4. Step 4: Simplify right side
    1,394,327.20x = 937,775,952,133.44
  5. Step 5: Solve for x
    x = 937,775,952,133.44/1,394,327.20
  6. Step 6: Final answer
    x = 672,565.20

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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.