Home / 1,270,992.32-1,906,486.86-324,363.06

Finding the Fourth Proportional to 1,270,992.32, 1,906,486.86 and 324,363.06

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Solution

The fourth proportional to 1,270,992.32, 1,906,486.86 and 324,363.06 is: 486,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,992.32 : 1,906,486.86 = 324,363.06 : x
  2. Step 2: Convert to fraction form
    1,270,992.32/1,906,486.86 = 324,363.06/x
  3. Step 3: Cross multiply
    1,270,992.32x = 1,906,486.86 × 324,363.06
  4. Step 4: Simplify right side
    1,270,992.32x = 618,393,911,759.39
  5. Step 5: Solve for x
    x = 618,393,911,759.39/1,270,992.32
  6. Step 6: Final answer
    x = 486,544.18

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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.