Home / 1,478,872.87-2,040,845.91-799,809.37

Finding the Fourth Proportional to 1,478,872.87, 2,040,845.91 and 799,809.37

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Solution

The fourth proportional to 1,478,872.87, 2,040,845.91 and 799,809.37 is: 1,103,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,872.87 : 2,040,845.91 = 799,809.37 : x
  2. Step 2: Convert to fraction form
    1,478,872.87/2,040,845.91 = 799,809.37/x
  3. Step 3: Cross multiply
    1,478,872.87x = 2,040,845.91 × 799,809.37
  4. Step 4: Simplify right side
    1,478,872.87x = 1,632,287,667,340.90
  5. Step 5: Solve for x
    x = 1,632,287,667,340.90/1,478,872.87
  6. Step 6: Final answer
    x = 1,103,737.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.