Home / 1,299,876.54-1,949,257.17-447,034.02

Finding the Fourth Proportional to 1,299,876.54, 1,949,257.17 and 447,034.02

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Solution

The fourth proportional to 1,299,876.54, 1,949,257.17 and 447,034.02 is: 670,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,876.54 : 1,949,257.17 = 447,034.02 : x
  2. Step 2: Convert to fraction form
    1,299,876.54/1,949,257.17 = 447,034.02/x
  3. Step 3: Cross multiply
    1,299,876.54x = 1,949,257.17 × 447,034.02
  4. Step 4: Simplify right side
    1,299,876.54x = 871,384,268,718.92
  5. Step 5: Solve for x
    x = 871,384,268,718.92/1,299,876.54
  6. Step 6: Final answer
    x = 670,359.25

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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.