Home / 1,689,990.24-2,530,934.79-867,163.52

Finding the Fourth Proportional to 1,689,990.24, 2,530,934.79 and 867,163.52

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Solution

The fourth proportional to 1,689,990.24, 2,530,934.79 and 867,163.52 is: 1,298,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,990.24 : 2,530,934.79 = 867,163.52 : x
  2. Step 2: Convert to fraction form
    1,689,990.24/2,530,934.79 = 867,163.52/x
  3. Step 3: Cross multiply
    1,689,990.24x = 2,530,934.79 × 867,163.52
  4. Step 4: Simplify right side
    1,689,990.24x = 2,194,734,324,462.33
  5. Step 5: Solve for x
    x = 2,194,734,324,462.33/1,689,990.24
  6. Step 6: Final answer
    x = 1,298,666.86

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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.