Home / 1,486,882.45-2,051,912.24-842,288.86

Finding the Fourth Proportional to 1,486,882.45, 2,051,912.24 and 842,288.86

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Solution

The fourth proportional to 1,486,882.45, 2,051,912.24 and 842,288.86 is: 1,162,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,882.45 : 2,051,912.24 = 842,288.86 : x
  2. Step 2: Convert to fraction form
    1,486,882.45/2,051,912.24 = 842,288.86/x
  3. Step 3: Cross multiply
    1,486,882.45x = 2,051,912.24 × 842,288.86
  4. Step 4: Simplify right side
    1,486,882.45x = 1,728,302,821,449.65
  5. Step 5: Solve for x
    x = 1,728,302,821,449.65/1,486,882.45
  6. Step 6: Final answer
    x = 1,162,366.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.