Home / 1,028,577.80-1,542,629.10-388,949.96

Finding the Fourth Proportional to 1,028,577.80, 1,542,629.10 and 388,949.96

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Solution

The fourth proportional to 1,028,577.80, 1,542,629.10 and 388,949.96 is: 583,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,577.80 : 1,542,629.10 = 388,949.96 : x
  2. Step 2: Convert to fraction form
    1,028,577.80/1,542,629.10 = 388,949.96/x
  3. Step 3: Cross multiply
    1,028,577.80x = 1,542,629.10 × 388,949.96
  4. Step 4: Simplify right side
    1,028,577.80x = 600,005,526,739.84
  5. Step 5: Solve for x
    x = 600,005,526,739.84/1,028,577.80
  6. Step 6: Final answer
    x = 583,335.09

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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.