Home / 1,110,556.86-1,665,936.94-311,833.02

Finding the Fourth Proportional to 1,110,556.86, 1,665,936.94 and 311,833.02

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Solution

The fourth proportional to 1,110,556.86, 1,665,936.94 and 311,833.02 is: 467,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,556.86 : 1,665,936.94 = 311,833.02 : x
  2. Step 2: Convert to fraction form
    1,110,556.86/1,665,936.94 = 311,833.02/x
  3. Step 3: Cross multiply
    1,110,556.86x = 1,665,936.94 × 311,833.02
  4. Step 4: Simplify right side
    1,110,556.86x = 519,494,147,129.76
  5. Step 5: Solve for x
    x = 519,494,147,129.76/1,110,556.86
  6. Step 6: Final answer
    x = 467,778.07

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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.