Home / 1,661,401.54-2,492,102.05-399,229.16

Finding the Fourth Proportional to 1,661,401.54, 2,492,102.05 and 399,229.16

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Solution

The fourth proportional to 1,661,401.54, 2,492,102.05 and 399,229.16 is: 598,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,401.54 : 2,492,102.05 = 399,229.16 : x
  2. Step 2: Convert to fraction form
    1,661,401.54/2,492,102.05 = 399,229.16/x
  3. Step 3: Cross multiply
    1,661,401.54x = 2,492,102.05 × 399,229.16
  4. Step 4: Simplify right side
    1,661,401.54x = 994,919,810,648.25
  5. Step 5: Solve for x
    x = 994,919,810,648.25/1,661,401.54
  6. Step 6: Final answer
    x = 598,843.68

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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.