Home / 1,621,331.60-2,431,997.40-499,254.80

Finding the Fourth Proportional to 1,621,331.60, 2,431,997.40 and 499,254.80

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Solution

The fourth proportional to 1,621,331.60, 2,431,997.40 and 499,254.80 is: 748,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,331.60 : 2,431,997.40 = 499,254.80 : x
  2. Step 2: Convert to fraction form
    1,621,331.60/2,431,997.40 = 499,254.80/x
  3. Step 3: Cross multiply
    1,621,331.60x = 2,431,997.40 × 499,254.80
  4. Step 4: Simplify right side
    1,621,331.60x = 1,214,186,375,537.52
  5. Step 5: Solve for x
    x = 1,214,186,375,537.52/1,621,331.60
  6. Step 6: Final answer
    x = 748,882.20

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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.