Home / 1,089,761.80-1,634,704.20-331,628.02

Finding the Fourth Proportional to 1,089,761.80, 1,634,704.20 and 331,628.02

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Solution

The fourth proportional to 1,089,761.80, 1,634,704.20 and 331,628.02 is: 497,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,761.80 : 1,634,704.20 = 331,628.02 : x
  2. Step 2: Convert to fraction form
    1,089,761.80/1,634,704.20 = 331,628.02/x
  3. Step 3: Cross multiply
    1,089,761.80x = 1,634,704.20 × 331,628.02
  4. Step 4: Simplify right side
    1,089,761.80x = 542,113,717,131.68
  5. Step 5: Solve for x
    x = 542,113,717,131.68/1,089,761.80
  6. Step 6: Final answer
    x = 497,460.75

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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.