Home / 1,278,715.75-1,764,619.24-705,755.92

Finding the Fourth Proportional to 1,278,715.75, 1,764,619.24 and 705,755.92

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Solution

The fourth proportional to 1,278,715.75, 1,764,619.24 and 705,755.92 is: 973,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,715.75 : 1,764,619.24 = 705,755.92 : x
  2. Step 2: Convert to fraction form
    1,278,715.75/1,764,619.24 = 705,755.92/x
  3. Step 3: Cross multiply
    1,278,715.75x = 1,764,619.24 × 705,755.92
  4. Step 4: Simplify right side
    1,278,715.75x = 1,245,390,475,175.90
  5. Step 5: Solve for x
    x = 1,245,390,475,175.90/1,278,715.75
  6. Step 6: Final answer
    x = 973,938.48

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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.