Home / 1,464,611.16-2,021,375.55-820,072.86

Finding the Fourth Proportional to 1,464,611.16, 2,021,375.55 and 820,072.86

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Solution

The fourth proportional to 1,464,611.16, 2,021,375.55 and 820,072.86 is: 1,131,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,611.16 : 2,021,375.55 = 820,072.86 : x
  2. Step 2: Convert to fraction form
    1,464,611.16/2,021,375.55 = 820,072.86/x
  3. Step 3: Cross multiply
    1,464,611.16x = 2,021,375.55 × 820,072.86
  4. Step 4: Simplify right side
    1,464,611.16x = 1,657,675,228,422.57
  5. Step 5: Solve for x
    x = 1,657,675,228,422.57/1,464,611.16
  6. Step 6: Final answer
    x = 1,131,819.33

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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.