Home / 1,324,571.76-1,987,244.76-425,993.36

Finding the Fourth Proportional to 1,324,571.76, 1,987,244.76 and 425,993.36

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Solution

The fourth proportional to 1,324,571.76, 1,987,244.76 and 425,993.36 is: 639,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,571.76 : 1,987,244.76 = 425,993.36 : x
  2. Step 2: Convert to fraction form
    1,324,571.76/1,987,244.76 = 425,993.36/x
  3. Step 3: Cross multiply
    1,324,571.76x = 1,987,244.76 × 425,993.36
  4. Step 4: Simplify right side
    1,324,571.76x = 846,553,072,454.79
  5. Step 5: Solve for x
    x = 846,553,072,454.79/1,324,571.76
  6. Step 6: Final answer
    x = 639,114.54

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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.