Home / 1,235,008.80-1,853,679.60-762,616.80

Finding the Fourth Proportional to 1,235,008.80, 1,853,679.60 and 762,616.80

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Solution

The fourth proportional to 1,235,008.80, 1,853,679.60 and 762,616.80 is: 1,144,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,008.80 : 1,853,679.60 = 762,616.80 : x
  2. Step 2: Convert to fraction form
    1,235,008.80/1,853,679.60 = 762,616.80/x
  3. Step 3: Cross multiply
    1,235,008.80x = 1,853,679.60 × 762,616.80
  4. Step 4: Simplify right side
    1,235,008.80x = 1,413,647,204,777.28
  5. Step 5: Solve for x
    x = 1,413,647,204,777.28/1,235,008.80
  6. Step 6: Final answer
    x = 1,144,645.45

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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.