Home / 1,322,992.16-1,982,205.84-724,384.16

Finding the Fourth Proportional to 1,322,992.16, 1,982,205.84 and 724,384.16

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Solution

The fourth proportional to 1,322,992.16, 1,982,205.84 and 724,384.16 is: 1,085,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,992.16 : 1,982,205.84 = 724,384.16 : x
  2. Step 2: Convert to fraction form
    1,322,992.16/1,982,205.84 = 724,384.16/x
  3. Step 3: Cross multiply
    1,322,992.16x = 1,982,205.84 × 724,384.16
  4. Step 4: Simplify right side
    1,322,992.16x = 1,435,878,512,355.49
  5. Step 5: Solve for x
    x = 1,435,878,512,355.49/1,322,992.16
  6. Step 6: Final answer
    x = 1,085,326.55

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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.