Home / 1,206,449.89-1,809,673.31-307,891.66

Finding the Fourth Proportional to 1,206,449.89, 1,809,673.31 and 307,891.66

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Solution

The fourth proportional to 1,206,449.89, 1,809,673.31 and 307,891.66 is: 461,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,449.89 : 1,809,673.31 = 307,891.66 : x
  2. Step 2: Convert to fraction form
    1,206,449.89/1,809,673.31 = 307,891.66/x
  3. Step 3: Cross multiply
    1,206,449.89x = 1,809,673.31 × 307,891.66
  4. Step 4: Simplify right side
    1,206,449.89x = 557,183,310,425.23
  5. Step 5: Solve for x
    x = 557,183,310,425.23/1,206,449.89
  6. Step 6: Final answer
    x = 461,837.09

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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.