Home / 1,283,418.54-1,769,832.99-853,716.78

Finding the Fourth Proportional to 1,283,418.54, 1,769,832.99 and 853,716.78

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Solution

The fourth proportional to 1,283,418.54, 1,769,832.99 and 853,716.78 is: 1,177,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,418.54 : 1,769,832.99 = 853,716.78 : x
  2. Step 2: Convert to fraction form
    1,283,418.54/1,769,832.99 = 853,716.78/x
  3. Step 3: Cross multiply
    1,283,418.54x = 1,769,832.99 × 853,716.78
  4. Step 4: Simplify right side
    1,283,418.54x = 1,510,936,121,360.57
  5. Step 5: Solve for x
    x = 1,510,936,121,360.57/1,283,418.54
  6. Step 6: Final answer
    x = 1,177,274.66

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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.