Home / 1,206,438.73-1,809,382.33-720,258.38

Finding the Fourth Proportional to 1,206,438.73, 1,809,382.33 and 720,258.38

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Solution

The fourth proportional to 1,206,438.73, 1,809,382.33 and 720,258.38 is: 1,080,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,438.73 : 1,809,382.33 = 720,258.38 : x
  2. Step 2: Convert to fraction form
    1,206,438.73/1,809,382.33 = 720,258.38/x
  3. Step 3: Cross multiply
    1,206,438.73x = 1,809,382.33 × 720,258.38
  4. Step 4: Simplify right side
    1,206,438.73x = 1,303,222,782,419.29
  5. Step 5: Solve for x
    x = 1,303,222,782,419.29/1,206,438.73
  6. Step 6: Final answer
    x = 1,080,222.93

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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.