Home / 1,478,872.62-2,040,845.56-799,809.12

Finding the Fourth Proportional to 1,478,872.62, 2,040,845.56 and 799,809.12

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Solution

The fourth proportional to 1,478,872.62, 2,040,845.56 and 799,809.12 is: 1,103,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,872.62 : 2,040,845.56 = 799,809.12 : x
  2. Step 2: Convert to fraction form
    1,478,872.62/2,040,845.56 = 799,809.12/x
  3. Step 3: Cross multiply
    1,478,872.62x = 2,040,845.56 × 799,809.12
  4. Step 4: Simplify right side
    1,478,872.62x = 1,632,286,891,399.51
  5. Step 5: Solve for x
    x = 1,632,286,891,399.51/1,478,872.62
  6. Step 6: Final answer
    x = 1,103,737.31

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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.