Home / 1,278,767.54-1,764,573.49-705,770.78

Finding the Fourth Proportional to 1,278,767.54, 1,764,573.49 and 705,770.78

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Solution

The fourth proportional to 1,278,767.54, 1,764,573.49 and 705,770.78 is: 973,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,767.54 : 1,764,573.49 = 705,770.78 : x
  2. Step 2: Convert to fraction form
    1,278,767.54/1,764,573.49 = 705,770.78/x
  3. Step 3: Cross multiply
    1,278,767.54x = 1,764,573.49 × 705,770.78
  4. Step 4: Simplify right side
    1,278,767.54x = 1,245,384,400,463.97
  5. Step 5: Solve for x
    x = 1,245,384,400,463.97/1,278,767.54
  6. Step 6: Final answer
    x = 973,894.28

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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.