Home / 1,369,120.92-2,053,955.14-422,456.04

Finding the Fourth Proportional to 1,369,120.92, 2,053,955.14 and 422,456.04

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Solution

The fourth proportional to 1,369,120.92, 2,053,955.14 and 422,456.04 is: 633,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,120.92 : 2,053,955.14 = 422,456.04 : x
  2. Step 2: Convert to fraction form
    1,369,120.92/2,053,955.14 = 422,456.04/x
  3. Step 3: Cross multiply
    1,369,120.92x = 2,053,955.14 × 422,456.04
  4. Step 4: Simplify right side
    1,369,120.92x = 867,705,754,782.05
  5. Step 5: Solve for x
    x = 867,705,754,782.05/1,369,120.92
  6. Step 6: Final answer
    x = 633,768.53

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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.