Home / 1,278,212.80-1,764,572.85-794,933.62

Finding the Fourth Proportional to 1,278,212.80, 1,764,572.85 and 794,933.62

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Solution

The fourth proportional to 1,278,212.80, 1,764,572.85 and 794,933.62 is: 1,097,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,212.80 : 1,764,572.85 = 794,933.62 : x
  2. Step 2: Convert to fraction form
    1,278,212.80/1,764,572.85 = 794,933.62/x
  3. Step 3: Cross multiply
    1,278,212.80x = 1,764,572.85 × 794,933.62
  4. Step 4: Simplify right side
    1,278,212.80x = 1,402,718,283,404.22
  5. Step 5: Solve for x
    x = 1,402,718,283,404.22/1,278,212.80
  6. Step 6: Final answer
    x = 1,097,405.91

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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.