Home / 994,057.20-1,491,085.80-639,471.60

Finding the Fourth Proportional to 994,057.20, 1,491,085.80 and 639,471.60

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Solution

The fourth proportional to 994,057.20, 1,491,085.80 and 639,471.60 is: 959,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,057.20 : 1,491,085.80 = 639,471.60 : x
  2. Step 2: Convert to fraction form
    994,057.20/1,491,085.80 = 639,471.60/x
  3. Step 3: Cross multiply
    994,057.20x = 1,491,085.80 × 639,471.60
  4. Step 4: Simplify right side
    994,057.20x = 953,507,022,263.28
  5. Step 5: Solve for x
    x = 953,507,022,263.28/994,057.20
  6. Step 6: Final answer
    x = 959,207.40

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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.