Home / 1,086,705.62-1,629,981.48-287,969.48

Finding the Fourth Proportional to 1,086,705.62, 1,629,981.48 and 287,969.48

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Solution

The fourth proportional to 1,086,705.62, 1,629,981.48 and 287,969.48 is: 431,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,705.62 : 1,629,981.48 = 287,969.48 : x
  2. Step 2: Convert to fraction form
    1,086,705.62/1,629,981.48 = 287,969.48/x
  3. Step 3: Cross multiply
    1,086,705.62x = 1,629,981.48 × 287,969.48
  4. Step 4: Simplify right side
    1,086,705.62x = 469,384,919,205.23
  5. Step 5: Solve for x
    x = 469,384,919,205.23/1,086,705.62
  6. Step 6: Final answer
    x = 431,933.83

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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.