Home / 1,422,942.75-2,134,104.98-450,382.65

Finding the Fourth Proportional to 1,422,942.75, 2,134,104.98 and 450,382.65

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Solution

The fourth proportional to 1,422,942.75, 2,134,104.98 and 450,382.65 is: 675,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,942.75 : 2,134,104.98 = 450,382.65 : x
  2. Step 2: Convert to fraction form
    1,422,942.75/2,134,104.98 = 450,382.65/x
  3. Step 3: Cross multiply
    1,422,942.75x = 2,134,104.98 × 450,382.65
  4. Step 4: Simplify right side
    1,422,942.75x = 961,163,856,270.60
  5. Step 5: Solve for x
    x = 961,163,856,270.60/1,422,942.75
  6. Step 6: Final answer
    x = 675,476.13

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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.