Home / 1,206,426.92-1,809,639.20-307,868.66

Finding the Fourth Proportional to 1,206,426.92, 1,809,639.20 and 307,868.66

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Solution

The fourth proportional to 1,206,426.92, 1,809,639.20 and 307,868.66 is: 461,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,426.92 : 1,809,639.20 = 307,868.66 : x
  2. Step 2: Convert to fraction form
    1,206,426.92/1,809,639.20 = 307,868.66/x
  3. Step 3: Cross multiply
    1,206,426.92x = 1,809,639.20 × 307,868.66
  4. Step 4: Simplify right side
    1,206,426.92x = 557,131,187,308.95
  5. Step 5: Solve for x
    x = 557,131,187,308.95/1,206,426.92
  6. Step 6: Final answer
    x = 461,802.68

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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.