Home / 1,628,521.20-2,442,781.80-729,008.10

Finding the Fourth Proportional to 1,628,521.20, 2,442,781.80 and 729,008.10

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Solution

The fourth proportional to 1,628,521.20, 2,442,781.80 and 729,008.10 is: 1,093,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,521.20 : 2,442,781.80 = 729,008.10 : x
  2. Step 2: Convert to fraction form
    1,628,521.20/2,442,781.80 = 729,008.10/x
  3. Step 3: Cross multiply
    1,628,521.20x = 2,442,781.80 × 729,008.10
  4. Step 4: Simplify right side
    1,628,521.20x = 1,780,807,718,732.58
  5. Step 5: Solve for x
    x = 1,780,807,718,732.58/1,628,521.20
  6. Step 6: Final answer
    x = 1,093,512.15

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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.