Home / 1,231,372.80-1,847,059.20-982,540.80

Finding the Fourth Proportional to 1,231,372.80, 1,847,059.20 and 982,540.80

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Solution

The fourth proportional to 1,231,372.80, 1,847,059.20 and 982,540.80 is: 1,473,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,372.80 : 1,847,059.20 = 982,540.80 : x
  2. Step 2: Convert to fraction form
    1,231,372.80/1,847,059.20 = 982,540.80/x
  3. Step 3: Cross multiply
    1,231,372.80x = 1,847,059.20 × 982,540.80
  4. Step 4: Simplify right side
    1,231,372.80x = 1,814,811,024,015.36
  5. Step 5: Solve for x
    x = 1,814,811,024,015.36/1,231,372.80
  6. Step 6: Final answer
    x = 1,473,811.20

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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.