Home / 981,999.40-1,473,655.20-449,246.20

Finding the Fourth Proportional to 981,999.40, 1,473,655.20 and 449,246.20

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Solution

The fourth proportional to 981,999.40, 1,473,655.20 and 449,246.20 is: 674,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,999.40 : 1,473,655.20 = 449,246.20 : x
  2. Step 2: Convert to fraction form
    981,999.40/1,473,655.20 = 449,246.20/x
  3. Step 3: Cross multiply
    981,999.40x = 1,473,655.20 × 449,246.20
  4. Step 4: Simplify right side
    981,999.40x = 662,033,998,710.24
  5. Step 5: Solve for x
    x = 662,033,998,710.24/981,999.40
  6. Step 6: Final answer
    x = 674,169.45

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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.