Home / 880,840.80-1,321,261.20-743,983.20

Finding the Fourth Proportional to 880,840.80, 1,321,261.20 and 743,983.20

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Solution

The fourth proportional to 880,840.80, 1,321,261.20 and 743,983.20 is: 1,115,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,840.80 : 1,321,261.20 = 743,983.20 : x
  2. Step 2: Convert to fraction form
    880,840.80/1,321,261.20 = 743,983.20/x
  3. Step 3: Cross multiply
    880,840.80x = 1,321,261.20 × 743,983.20
  4. Step 4: Simplify right side
    880,840.80x = 982,996,135,611.84
  5. Step 5: Solve for x
    x = 982,996,135,611.84/880,840.80
  6. Step 6: Final answer
    x = 1,115,974.80

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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.