Home / 1,089,221.83-1,634,067.78-331,124.32

Finding the Fourth Proportional to 1,089,221.83, 1,634,067.78 and 331,124.32

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Solution

The fourth proportional to 1,089,221.83, 1,634,067.78 and 331,124.32 is: 496,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,221.83 : 1,634,067.78 = 331,124.32 : x
  2. Step 2: Convert to fraction form
    1,089,221.83/1,634,067.78 = 331,124.32/x
  3. Step 3: Cross multiply
    1,089,221.83x = 1,634,067.78 × 331,124.32
  4. Step 4: Simplify right side
    1,089,221.83x = 541,079,582,486.41
  5. Step 5: Solve for x
    x = 541,079,582,486.41/1,089,221.83
  6. Step 6: Final answer
    x = 496,757.93

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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.