Home / 1,628,546.40-2,247,057.42-940,206.30

Finding the Fourth Proportional to 1,628,546.40, 2,247,057.42 and 940,206.30

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Solution

The fourth proportional to 1,628,546.40, 2,247,057.42 and 940,206.30 is: 1,297,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,546.40 : 2,247,057.42 = 940,206.30 : x
  2. Step 2: Convert to fraction form
    1,628,546.40/2,247,057.42 = 940,206.30/x
  3. Step 3: Cross multiply
    1,628,546.40x = 2,247,057.42 × 940,206.30
  4. Step 4: Simplify right side
    1,628,546.40x = 2,112,697,542,745.75
  5. Step 5: Solve for x
    x = 2,112,697,542,745.75/1,628,546.40
  6. Step 6: Final answer
    x = 1,297,290.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.