Home / 1,789,530.88-2,469,610.92-1,025,728.60

Finding the Fourth Proportional to 1,789,530.88, 2,469,610.92 and 1,025,728.60

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Solution

The fourth proportional to 1,789,530.88, 2,469,610.92 and 1,025,728.60 is: 1,415,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,530.88 : 2,469,610.92 = 1,025,728.60 : x
  2. Step 2: Convert to fraction form
    1,789,530.88/2,469,610.92 = 1,025,728.60/x
  3. Step 3: Cross multiply
    1,789,530.88x = 2,469,610.92 × 1,025,728.60
  4. Step 4: Simplify right side
    1,789,530.88x = 2,533,150,551,516.31
  5. Step 5: Solve for x
    x = 2,533,150,551,516.31/1,789,530.88
  6. Step 6: Final answer
    x = 1,415,538.89

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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.