Home / 1,028,694.03-1,542,607.74-388,889.91

Finding the Fourth Proportional to 1,028,694.03, 1,542,607.74 and 388,889.91

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Solution

The fourth proportional to 1,028,694.03, 1,542,607.74 and 388,889.91 is: 583,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,694.03 : 1,542,607.74 = 388,889.91 : x
  2. Step 2: Convert to fraction form
    1,028,694.03/1,542,607.74 = 388,889.91/x
  3. Step 3: Cross multiply
    1,028,694.03x = 1,542,607.74 × 388,889.91
  4. Step 4: Simplify right side
    1,028,694.03x = 599,904,585,173.90
  5. Step 5: Solve for x
    x = 599,904,585,173.90/1,028,694.03
  6. Step 6: Final answer
    x = 583,171.06

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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.