Home / 1,494,175.89-2,061,960.12-815,112.39

Finding the Fourth Proportional to 1,494,175.89, 2,061,960.12 and 815,112.39

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Solution

The fourth proportional to 1,494,175.89, 2,061,960.12 and 815,112.39 is: 1,124,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,175.89 : 2,061,960.12 = 815,112.39 : x
  2. Step 2: Convert to fraction form
    1,494,175.89/2,061,960.12 = 815,112.39/x
  3. Step 3: Cross multiply
    1,494,175.89x = 2,061,960.12 × 815,112.39
  4. Step 4: Simplify right side
    1,494,175.89x = 1,680,729,241,497.89
  5. Step 5: Solve for x
    x = 1,680,729,241,497.89/1,494,175.89
  6. Step 6: Final answer
    x = 1,124,853.68

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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.