Home / 839,481.80-1,259,222.70-806,822.60

Finding the Fourth Proportional to 839,481.80, 1,259,222.70 and 806,822.60

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Solution

The fourth proportional to 839,481.80, 1,259,222.70 and 806,822.60 is: 1,210,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,481.80 : 1,259,222.70 = 806,822.60 : x
  2. Step 2: Convert to fraction form
    839,481.80/1,259,222.70 = 806,822.60/x
  3. Step 3: Cross multiply
    839,481.80x = 1,259,222.70 × 806,822.60
  4. Step 4: Simplify right side
    839,481.80x = 1,015,969,332,793.02
  5. Step 5: Solve for x
    x = 1,015,969,332,793.02/839,481.80
  6. Step 6: Final answer
    x = 1,210,233.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.