Home / 1,089,741.71-1,634,861.34-331,690.61

Finding the Fourth Proportional to 1,089,741.71, 1,634,861.34 and 331,690.61

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Solution

The fourth proportional to 1,089,741.71, 1,634,861.34 and 331,690.61 is: 497,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,741.71 : 1,634,861.34 = 331,690.61 : x
  2. Step 2: Convert to fraction form
    1,089,741.71/1,634,861.34 = 331,690.61/x
  3. Step 3: Cross multiply
    1,089,741.71x = 1,634,861.34 × 331,690.61
  4. Step 4: Simplify right side
    1,089,741.71x = 542,268,159,217.17
  5. Step 5: Solve for x
    x = 542,268,159,217.17/1,089,741.71
  6. Step 6: Final answer
    x = 497,611.64

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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.