Home / 979,278.46-1,350,253.80-826,046.30

Finding the Fourth Proportional to 979,278.46, 1,350,253.80 and 826,046.30

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Solution

The fourth proportional to 979,278.46, 1,350,253.80 and 826,046.30 is: 1,138,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,278.46 : 1,350,253.80 = 826,046.30 : x
  2. Step 2: Convert to fraction form
    979,278.46/1,350,253.80 = 826,046.30/x
  3. Step 3: Cross multiply
    979,278.46x = 1,350,253.80 × 826,046.30
  4. Step 4: Simplify right side
    979,278.46x = 1,115,372,158,926.57
  5. Step 5: Solve for x
    x = 1,115,372,158,926.57/979,278.46
  6. Step 6: Final answer
    x = 1,138,973.45

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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.