Home / 1,306,769.38-1,802,559.88-822,493.78

Finding the Fourth Proportional to 1,306,769.38, 1,802,559.88 and 822,493.78

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Solution

The fourth proportional to 1,306,769.38, 1,802,559.88 and 822,493.78 is: 1,134,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,769.38 : 1,802,559.88 = 822,493.78 : x
  2. Step 2: Convert to fraction form
    1,306,769.38/1,802,559.88 = 822,493.78/x
  3. Step 3: Cross multiply
    1,306,769.38x = 1,802,559.88 × 822,493.78
  4. Step 4: Simplify right side
    1,306,769.38x = 1,482,594,289,377.55
  5. Step 5: Solve for x
    x = 1,482,594,289,377.55/1,306,769.38
  6. Step 6: Final answer
    x = 1,134,549.30

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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.