Home / 1,089,383.91-1,634,167.33-331,231.96

Finding the Fourth Proportional to 1,089,383.91, 1,634,167.33 and 331,231.96

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Solution

The fourth proportional to 1,089,383.91, 1,634,167.33 and 331,231.96 is: 496,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,383.91 : 1,634,167.33 = 331,231.96 : x
  2. Step 2: Convert to fraction form
    1,089,383.91/1,634,167.33 = 331,231.96/x
  3. Step 3: Cross multiply
    1,089,383.91x = 1,634,167.33 × 331,231.96
  4. Step 4: Simplify right side
    1,089,383.91x = 541,288,445,233.99
  5. Step 5: Solve for x
    x = 541,288,445,233.99/1,089,383.91
  6. Step 6: Final answer
    x = 496,875.75

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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.