Home / 1,420,497.47-2,131,061.04-409,540.52

Finding the Fourth Proportional to 1,420,497.47, 2,131,061.04 and 409,540.52

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Solution

The fourth proportional to 1,420,497.47, 2,131,061.04 and 409,540.52 is: 614,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,497.47 : 2,131,061.04 = 409,540.52 : x
  2. Step 2: Convert to fraction form
    1,420,497.47/2,131,061.04 = 409,540.52/x
  3. Step 3: Cross multiply
    1,420,497.47x = 2,131,061.04 × 409,540.52
  4. Step 4: Simplify right side
    1,420,497.47x = 872,755,856,008.26
  5. Step 5: Solve for x
    x = 872,755,856,008.26/1,420,497.47
  6. Step 6: Final answer
    x = 614,401.56

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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.