Home / 1,383,718.94-2,074,145.91-672,863.75

Finding the Fourth Proportional to 1,383,718.94, 2,074,145.91 and 672,863.75

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Solution

The fourth proportional to 1,383,718.94, 2,074,145.91 and 672,863.75 is: 1,008,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,718.94 : 2,074,145.91 = 672,863.75 : x
  2. Step 2: Convert to fraction form
    1,383,718.94/2,074,145.91 = 672,863.75/x
  3. Step 3: Cross multiply
    1,383,718.94x = 2,074,145.91 × 672,863.75
  4. Step 4: Simplify right side
    1,383,718.94x = 1,395,617,595,049.76
  5. Step 5: Solve for x
    x = 1,395,617,595,049.76/1,383,718.94
  6. Step 6: Final answer
    x = 1,008,599.04

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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.