Home / 790,619.70-1,091,234.52-618,196.62

Finding the Fourth Proportional to 790,619.70, 1,091,234.52 and 618,196.62

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Solution

The fourth proportional to 790,619.70, 1,091,234.52 and 618,196.62 is: 853,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,619.70 : 1,091,234.52 = 618,196.62 : x
  2. Step 2: Convert to fraction form
    790,619.70/1,091,234.52 = 618,196.62/x
  3. Step 3: Cross multiply
    790,619.70x = 1,091,234.52 × 618,196.62
  4. Step 4: Simplify right side
    790,619.70x = 674,597,491,891.32
  5. Step 5: Solve for x
    x = 674,597,491,891.32/790,619.70
  6. Step 6: Final answer
    x = 853,251.56

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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.