Home / 1,327,288.56-1,990,940.04-330,016.56

Finding the Fourth Proportional to 1,327,288.56, 1,990,940.04 and 330,016.56

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Solution

The fourth proportional to 1,327,288.56, 1,990,940.04 and 330,016.56 is: 495,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,288.56 : 1,990,940.04 = 330,016.56 : x
  2. Step 2: Convert to fraction form
    1,327,288.56/1,990,940.04 = 330,016.56/x
  3. Step 3: Cross multiply
    1,327,288.56x = 1,990,940.04 × 330,016.56
  4. Step 4: Simplify right side
    1,327,288.56x = 657,043,183,167.06
  5. Step 5: Solve for x
    x = 657,043,183,167.06/1,327,288.56
  6. Step 6: Final answer
    x = 495,026.63

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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.