Home / 1,290,728.52-1,936,974.87-449,280.27

Finding the Fourth Proportional to 1,290,728.52, 1,936,974.87 and 449,280.27

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Solution

The fourth proportional to 1,290,728.52, 1,936,974.87 and 449,280.27 is: 674,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,728.52 : 1,936,974.87 = 449,280.27 : x
  2. Step 2: Convert to fraction form
    1,290,728.52/1,936,974.87 = 449,280.27/x
  3. Step 3: Cross multiply
    1,290,728.52x = 1,936,974.87 × 449,280.27
  4. Step 4: Simplify right side
    1,290,728.52x = 870,244,592,576.82
  5. Step 5: Solve for x
    x = 870,244,592,576.82/1,290,728.52
  6. Step 6: Final answer
    x = 674,227.45

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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.