Home / 1,206,203.16-1,809,028.38-720,022.68

Finding the Fourth Proportional to 1,206,203.16, 1,809,028.38 and 720,022.68

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Solution

The fourth proportional to 1,206,203.16, 1,809,028.38 and 720,022.68 is: 1,079,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,203.16 : 1,809,028.38 = 720,022.68 : x
  2. Step 2: Convert to fraction form
    1,206,203.16/1,809,028.38 = 720,022.68/x
  3. Step 3: Cross multiply
    1,206,203.16x = 1,809,028.38 × 720,022.68
  4. Step 4: Simplify right side
    1,206,203.16x = 1,302,541,462,363.66
  5. Step 5: Solve for x
    x = 1,302,541,462,363.66/1,206,203.16
  6. Step 6: Final answer
    x = 1,079,869.05

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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.