Home / 1,191,199.98-1,644,239.08-762,634.38

Finding the Fourth Proportional to 1,191,199.98, 1,644,239.08 and 762,634.38

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Solution

The fourth proportional to 1,191,199.98, 1,644,239.08 and 762,634.38 is: 1,052,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,199.98 : 1,644,239.08 = 762,634.38 : x
  2. Step 2: Convert to fraction form
    1,191,199.98/1,644,239.08 = 762,634.38/x
  3. Step 3: Cross multiply
    1,191,199.98x = 1,644,239.08 × 762,634.38
  4. Step 4: Simplify right side
    1,191,199.98x = 1,253,953,251,347.57
  5. Step 5: Solve for x
    x = 1,253,953,251,347.57/1,191,199.98
  6. Step 6: Final answer
    x = 1,052,680.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.