Home / 1,494,168.39-2,061,949.77-815,104.89

Finding the Fourth Proportional to 1,494,168.39, 2,061,949.77 and 815,104.89

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Solution

The fourth proportional to 1,494,168.39, 2,061,949.77 and 815,104.89 is: 1,124,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,168.39 : 2,061,949.77 = 815,104.89 : x
  2. Step 2: Convert to fraction form
    1,494,168.39/2,061,949.77 = 815,104.89/x
  3. Step 3: Cross multiply
    1,494,168.39x = 2,061,949.77 × 815,104.89
  4. Step 4: Simplify right side
    1,494,168.39x = 1,680,705,340,461.38
  5. Step 5: Solve for x
    x = 1,680,705,340,461.38/1,494,168.39
  6. Step 6: Final answer
    x = 1,124,843.33

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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.