Home / 1,279,344.35-1,764,755.09-826,635.35

Finding the Fourth Proportional to 1,279,344.35, 1,764,755.09 and 826,635.35

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Solution

The fourth proportional to 1,279,344.35, 1,764,755.09 and 826,635.35 is: 1,140,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,344.35 : 1,764,755.09 = 826,635.35 : x
  2. Step 2: Convert to fraction form
    1,279,344.35/1,764,755.09 = 826,635.35/x
  3. Step 3: Cross multiply
    1,279,344.35x = 1,764,755.09 × 826,635.35
  4. Step 4: Simplify right side
    1,279,344.35x = 1,458,808,938,247.19
  5. Step 5: Solve for x
    x = 1,458,808,938,247.19/1,279,344.35
  6. Step 6: Final answer
    x = 1,140,278.57

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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.