Home / 1,542,456.44-2,313,899.97-643,692.22

Finding the Fourth Proportional to 1,542,456.44, 2,313,899.97 and 643,692.22

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Solution

The fourth proportional to 1,542,456.44, 2,313,899.97 and 643,692.22 is: 965,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,456.44 : 2,313,899.97 = 643,692.22 : x
  2. Step 2: Convert to fraction form
    1,542,456.44/2,313,899.97 = 643,692.22/x
  3. Step 3: Cross multiply
    1,542,456.44x = 2,313,899.97 × 643,692.22
  4. Step 4: Simplify right side
    1,542,456.44x = 1,489,439,400,348.64
  5. Step 5: Solve for x
    x = 1,489,439,400,348.64/1,542,456.44
  6. Step 6: Final answer
    x = 965,628.18

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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.