Home / 1,257,791.96-1,886,665.62-311,162.60

Finding the Fourth Proportional to 1,257,791.96, 1,886,665.62 and 311,162.60

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Solution

The fourth proportional to 1,257,791.96, 1,886,665.62 and 311,162.60 is: 466,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,791.96 : 1,886,665.62 = 311,162.60 : x
  2. Step 2: Convert to fraction form
    1,257,791.96/1,886,665.62 = 311,162.60/x
  3. Step 3: Cross multiply
    1,257,791.96x = 1,886,665.62 × 311,162.60
  4. Step 4: Simplify right side
    1,257,791.96x = 587,059,779,649.81
  5. Step 5: Solve for x
    x = 587,059,779,649.81/1,257,791.96
  6. Step 6: Final answer
    x = 466,738.38

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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.