Home / 1,089,770.56-1,634,717.24-331,636.68

Finding the Fourth Proportional to 1,089,770.56, 1,634,717.24 and 331,636.68

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Solution

The fourth proportional to 1,089,770.56, 1,634,717.24 and 331,636.68 is: 497,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,770.56 : 1,634,717.24 = 331,636.68 : x
  2. Step 2: Convert to fraction form
    1,089,770.56/1,634,717.24 = 331,636.68/x
  3. Step 3: Cross multiply
    1,089,770.56x = 1,634,717.24 × 331,636.68
  4. Step 4: Simplify right side
    1,089,770.56x = 542,132,198,212.36
  5. Step 5: Solve for x
    x = 542,132,198,212.36/1,089,770.56
  6. Step 6: Final answer
    x = 497,473.71

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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.