Home / 1,451,995.38-2,176,571.42-812,611.36

Finding the Fourth Proportional to 1,451,995.38, 2,176,571.42 and 812,611.36

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Solution

The fourth proportional to 1,451,995.38, 2,176,571.42 and 812,611.36 is: 1,218,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,995.38 : 2,176,571.42 = 812,611.36 : x
  2. Step 2: Convert to fraction form
    1,451,995.38/2,176,571.42 = 812,611.36/x
  3. Step 3: Cross multiply
    1,451,995.38x = 2,176,571.42 × 812,611.36
  4. Step 4: Simplify right side
    1,451,995.38x = 1,768,706,661,743.33
  5. Step 5: Solve for x
    x = 1,768,706,661,743.33/1,451,995.38
  6. Step 6: Final answer
    x = 1,218,121.41

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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.