Home / 1,399,943.28-2,096,764.02-981,089.04

Finding the Fourth Proportional to 1,399,943.28, 2,096,764.02 and 981,089.04

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Solution

The fourth proportional to 1,399,943.28, 2,096,764.02 and 981,089.04 is: 1,469,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,943.28 : 2,096,764.02 = 981,089.04 : x
  2. Step 2: Convert to fraction form
    1,399,943.28/2,096,764.02 = 981,089.04/x
  3. Step 3: Cross multiply
    1,399,943.28x = 2,096,764.02 × 981,089.04
  4. Step 4: Simplify right side
    1,399,943.28x = 2,057,112,199,488.34
  5. Step 5: Solve for x
    x = 2,057,112,199,488.34/1,399,943.28
  6. Step 6: Final answer
    x = 1,469,425.39

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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.