Home / 1,187,439.26-1,776,954.38-738,371.61

Finding the Fourth Proportional to 1,187,439.26, 1,776,954.38 and 738,371.61

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Solution

The fourth proportional to 1,187,439.26, 1,776,954.38 and 738,371.61 is: 1,104,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,439.26 : 1,776,954.38 = 738,371.61 : x
  2. Step 2: Convert to fraction form
    1,187,439.26/1,776,954.38 = 738,371.61/x
  3. Step 3: Cross multiply
    1,187,439.26x = 1,776,954.38 × 738,371.61
  4. Step 4: Simplify right side
    1,187,439.26x = 1,312,052,662,765.29
  5. Step 5: Solve for x
    x = 1,312,052,662,765.29/1,187,439.26
  6. Step 6: Final answer
    x = 1,104,942.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.