Home / 1,206,449.39-1,809,672.56-307,891.16

Finding the Fourth Proportional to 1,206,449.39, 1,809,672.56 and 307,891.16

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Solution

The fourth proportional to 1,206,449.39, 1,809,672.56 and 307,891.16 is: 461,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,449.39 : 1,809,672.56 = 307,891.16 : x
  2. Step 2: Convert to fraction form
    1,206,449.39/1,809,672.56 = 307,891.16/x
  3. Step 3: Cross multiply
    1,206,449.39x = 1,809,672.56 × 307,891.16
  4. Step 4: Simplify right side
    1,206,449.39x = 557,182,174,670.21
  5. Step 5: Solve for x
    x = 557,182,174,670.21/1,206,449.39
  6. Step 6: Final answer
    x = 461,836.34

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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.