Home / 1,026,912.96-1,540,517.04-317,001.78

Finding the Fourth Proportional to 1,026,912.96, 1,540,517.04 and 317,001.78

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Solution

The fourth proportional to 1,026,912.96, 1,540,517.04 and 317,001.78 is: 475,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,912.96 : 1,540,517.04 = 317,001.78 : x
  2. Step 2: Convert to fraction form
    1,026,912.96/1,540,517.04 = 317,001.78/x
  3. Step 3: Cross multiply
    1,026,912.96x = 1,540,517.04 × 317,001.78
  4. Step 4: Simplify right side
    1,026,912.96x = 488,346,643,800.33
  5. Step 5: Solve for x
    x = 488,346,643,800.33/1,026,912.96
  6. Step 6: Final answer
    x = 475,548.23

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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.