Home / 1,242,443.94-1,863,755.04-331,621.62

Finding the Fourth Proportional to 1,242,443.94, 1,863,755.04 and 331,621.62

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Solution

The fourth proportional to 1,242,443.94, 1,863,755.04 and 331,621.62 is: 497,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,443.94 : 1,863,755.04 = 331,621.62 : x
  2. Step 2: Convert to fraction form
    1,242,443.94/1,863,755.04 = 331,621.62/x
  3. Step 3: Cross multiply
    1,242,443.94x = 1,863,755.04 × 331,621.62
  4. Step 4: Simplify right side
    1,242,443.94x = 618,061,465,647.97
  5. Step 5: Solve for x
    x = 618,061,465,647.97/1,242,443.94
  6. Step 6: Final answer
    x = 497,456.22

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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.