Home / 1,008,179.80-1,510,694.76-857,801.68

Finding the Fourth Proportional to 1,008,179.80, 1,510,694.76 and 857,801.68

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Solution

The fourth proportional to 1,008,179.80, 1,510,694.76 and 857,801.68 is: 1,285,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,179.80 : 1,510,694.76 = 857,801.68 : x
  2. Step 2: Convert to fraction form
    1,008,179.80/1,510,694.76 = 857,801.68/x
  3. Step 3: Cross multiply
    1,008,179.80x = 1,510,694.76 × 857,801.68
  4. Step 4: Simplify right side
    1,008,179.80x = 1,295,876,503,095.20
  5. Step 5: Solve for x
    x = 1,295,876,503,095.20/1,008,179.80
  6. Step 6: Final answer
    x = 1,285,362.49

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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.