Home / 1,067,120.80-1,600,563.27-268,402.65

Finding the Fourth Proportional to 1,067,120.80, 1,600,563.27 and 268,402.65

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Solution

The fourth proportional to 1,067,120.80, 1,600,563.27 and 268,402.65 is: 402,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,120.80 : 1,600,563.27 = 268,402.65 : x
  2. Step 2: Convert to fraction form
    1,067,120.80/1,600,563.27 = 268,402.65/x
  3. Step 3: Cross multiply
    1,067,120.80x = 1,600,563.27 × 268,402.65
  4. Step 4: Simplify right side
    1,067,120.80x = 429,595,418,165.06
  5. Step 5: Solve for x
    x = 429,595,418,165.06/1,067,120.80
  6. Step 6: Final answer
    x = 402,574.31

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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.