Home / 1,278,943.26-1,764,942.03-705,983.82

Finding the Fourth Proportional to 1,278,943.26, 1,764,942.03 and 705,983.82

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Solution

The fourth proportional to 1,278,943.26, 1,764,942.03 and 705,983.82 is: 974,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,943.26 : 1,764,942.03 = 705,983.82 : x
  2. Step 2: Convert to fraction form
    1,278,943.26/1,764,942.03 = 705,983.82/x
  3. Step 3: Cross multiply
    1,278,943.26x = 1,764,942.03 × 705,983.82
  4. Step 4: Simplify right side
    1,278,943.26x = 1,246,020,516,417.95
  5. Step 5: Solve for x
    x = 1,246,020,516,417.95/1,278,943.26
  6. Step 6: Final answer
    x = 974,257.85

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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.