Home / 1,206,454.36-1,809,680.51-307,896.03

Finding the Fourth Proportional to 1,206,454.36, 1,809,680.51 and 307,896.03

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Solution

The fourth proportional to 1,206,454.36, 1,809,680.51 and 307,896.03 is: 461,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,454.36 : 1,809,680.51 = 307,896.03 : x
  2. Step 2: Convert to fraction form
    1,206,454.36/1,809,680.51 = 307,896.03/x
  3. Step 3: Cross multiply
    1,206,454.36x = 1,809,680.51 × 307,896.03
  4. Step 4: Simplify right side
    1,206,454.36x = 557,193,441,420.22
  5. Step 5: Solve for x
    x = 557,193,441,420.22/1,206,454.36
  6. Step 6: Final answer
    x = 461,843.78

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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.