Home / 1,351,489.64-2,027,234.40-621,939.20

Finding the Fourth Proportional to 1,351,489.64, 2,027,234.40 and 621,939.20

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Solution

The fourth proportional to 1,351,489.64, 2,027,234.40 and 621,939.20 is: 932,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,489.64 : 2,027,234.40 = 621,939.20 : x
  2. Step 2: Convert to fraction form
    1,351,489.64/2,027,234.40 = 621,939.20/x
  3. Step 3: Cross multiply
    1,351,489.64x = 2,027,234.40 × 621,939.20
  4. Step 4: Simplify right side
    1,351,489.64x = 1,260,816,540,948.48
  5. Step 5: Solve for x
    x = 1,260,816,540,948.48/1,351,489.64
  6. Step 6: Final answer
    x = 932,908.77

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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.