Home / 1,328,552.20-1,992,504.30-381,824.20

Finding the Fourth Proportional to 1,328,552.20, 1,992,504.30 and 381,824.20

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Solution

The fourth proportional to 1,328,552.20, 1,992,504.30 and 381,824.20 is: 572,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,552.20 : 1,992,504.30 = 381,824.20 : x
  2. Step 2: Convert to fraction form
    1,328,552.20/1,992,504.30 = 381,824.20/x
  3. Step 3: Cross multiply
    1,328,552.20x = 1,992,504.30 × 381,824.20
  4. Step 4: Simplify right side
    1,328,552.20x = 760,786,360,344.06
  5. Step 5: Solve for x
    x = 760,786,360,344.06/1,328,552.20
  6. Step 6: Final answer
    x = 572,643.18

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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.