Home / 1,089,386.91-1,634,171.83-331,234.96

Finding the Fourth Proportional to 1,089,386.91, 1,634,171.83 and 331,234.96

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Solution

The fourth proportional to 1,089,386.91, 1,634,171.83 and 331,234.96 is: 496,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,386.91 : 1,634,171.83 = 331,234.96 : x
  2. Step 2: Convert to fraction form
    1,089,386.91/1,634,171.83 = 331,234.96/x
  3. Step 3: Cross multiply
    1,089,386.91x = 1,634,171.83 × 331,234.96
  4. Step 4: Simplify right side
    1,089,386.91x = 541,294,840,743.18
  5. Step 5: Solve for x
    x = 541,294,840,743.18/1,089,386.91
  6. Step 6: Final answer
    x = 496,880.25

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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.