Home / 1,263,802.88-1,895,704.32-422,354.64

Finding the Fourth Proportional to 1,263,802.88, 1,895,704.32 and 422,354.64

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Solution

The fourth proportional to 1,263,802.88, 1,895,704.32 and 422,354.64 is: 633,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,802.88 : 1,895,704.32 = 422,354.64 : x
  2. Step 2: Convert to fraction form
    1,263,802.88/1,895,704.32 = 422,354.64/x
  3. Step 3: Cross multiply
    1,263,802.88x = 1,895,704.32 × 422,354.64
  4. Step 4: Simplify right side
    1,263,802.88x = 800,659,515,620.05
  5. Step 5: Solve for x
    x = 800,659,515,620.05/1,263,802.88
  6. Step 6: Final answer
    x = 633,531.96

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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.