Home / 1,474,615.66-2,212,081.42-409,660.78

Finding the Fourth Proportional to 1,474,615.66, 2,212,081.42 and 409,660.78

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Solution

The fourth proportional to 1,474,615.66, 2,212,081.42 and 409,660.78 is: 614,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,615.66 : 2,212,081.42 = 409,660.78 : x
  2. Step 2: Convert to fraction form
    1,474,615.66/2,212,081.42 = 409,660.78/x
  3. Step 3: Cross multiply
    1,474,615.66x = 2,212,081.42 × 409,660.78
  4. Step 4: Simplify right side
    1,474,615.66x = 906,202,999,940.71
  5. Step 5: Solve for x
    x = 906,202,999,940.71/1,474,615.66
  6. Step 6: Final answer
    x = 614,535.04

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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.