Home / 1,191,211.48-1,644,254.94-762,645.88

Finding the Fourth Proportional to 1,191,211.48, 1,644,254.94 and 762,645.88

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Solution

The fourth proportional to 1,191,211.48, 1,644,254.94 and 762,645.88 is: 1,052,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,211.48 : 1,644,254.94 = 762,645.88 : x
  2. Step 2: Convert to fraction form
    1,191,211.48/1,644,254.94 = 762,645.88/x
  3. Step 3: Cross multiply
    1,191,211.48x = 1,644,254.94 × 762,645.88
  4. Step 4: Simplify right side
    1,191,211.48x = 1,253,984,255,660.65
  5. Step 5: Solve for x
    x = 1,253,984,255,660.65/1,191,211.48
  6. Step 6: Final answer
    x = 1,052,696.58

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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.