Home / 1,257,789.96-1,886,662.62-311,160.60

Finding the Fourth Proportional to 1,257,789.96, 1,886,662.62 and 311,160.60

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Solution

The fourth proportional to 1,257,789.96, 1,886,662.62 and 311,160.60 is: 466,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,789.96 : 1,886,662.62 = 311,160.60 : x
  2. Step 2: Convert to fraction form
    1,257,789.96/1,886,662.62 = 311,160.60/x
  3. Step 3: Cross multiply
    1,257,789.96x = 1,886,662.62 × 311,160.60
  4. Step 4: Simplify right side
    1,257,789.96x = 587,055,072,836.77
  5. Step 5: Solve for x
    x = 587,055,072,836.77/1,257,789.96
  6. Step 6: Final answer
    x = 466,735.38

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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.