Home / 1,294,711.50-1,942,067.25-408,247.50

Finding the Fourth Proportional to 1,294,711.50, 1,942,067.25 and 408,247.50

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Solution

The fourth proportional to 1,294,711.50, 1,942,067.25 and 408,247.50 is: 612,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,711.50 : 1,942,067.25 = 408,247.50 : x
  2. Step 2: Convert to fraction form
    1,294,711.50/1,942,067.25 = 408,247.50/x
  3. Step 3: Cross multiply
    1,294,711.50x = 1,942,067.25 × 408,247.50
  4. Step 4: Simplify right side
    1,294,711.50x = 792,844,099,644.38
  5. Step 5: Solve for x
    x = 792,844,099,644.38/1,294,711.50
  6. Step 6: Final answer
    x = 612,371.25

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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.