Home / 1,089,936.23-1,634,379.46-379,948.55

Finding the Fourth Proportional to 1,089,936.23, 1,634,379.46 and 379,948.55

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Solution

The fourth proportional to 1,089,936.23, 1,634,379.46 and 379,948.55 is: 569,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,936.23 : 1,634,379.46 = 379,948.55 : x
  2. Step 2: Convert to fraction form
    1,089,936.23/1,634,379.46 = 379,948.55/x
  3. Step 3: Cross multiply
    1,089,936.23x = 1,634,379.46 × 379,948.55
  4. Step 4: Simplify right side
    1,089,936.23x = 620,980,096,855.01
  5. Step 5: Solve for x
    x = 620,980,096,855.01/1,089,936.23
  6. Step 6: Final answer
    x = 569,739.85

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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.