Home / 1,485,104.57-2,049,093.04-840,524.78

Finding the Fourth Proportional to 1,485,104.57, 2,049,093.04 and 840,524.78

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Solution

The fourth proportional to 1,485,104.57, 2,049,093.04 and 840,524.78 is: 1,159,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,104.57 : 2,049,093.04 = 840,524.78 : x
  2. Step 2: Convert to fraction form
    1,485,104.57/2,049,093.04 = 840,524.78/x
  3. Step 3: Cross multiply
    1,485,104.57x = 2,049,093.04 × 840,524.78
  4. Step 4: Simplify right side
    1,485,104.57x = 1,722,313,476,645.53
  5. Step 5: Solve for x
    x = 1,722,313,476,645.53/1,485,104.57
  6. Step 6: Final answer
    x = 1,159,725.39

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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.