Home / 1,089,940.33-1,633,849.78-521,174.53

Finding the Fourth Proportional to 1,089,940.33, 1,633,849.78 and 521,174.53

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Solution

The fourth proportional to 1,089,940.33, 1,633,849.78 and 521,174.53 is: 781,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,940.33 : 1,633,849.78 = 521,174.53 : x
  2. Step 2: Convert to fraction form
    1,089,940.33/1,633,849.78 = 521,174.53/x
  3. Step 3: Cross multiply
    1,089,940.33x = 1,633,849.78 × 521,174.53
  4. Step 4: Simplify right side
    1,089,940.33x = 851,520,891,182.10
  5. Step 5: Solve for x
    x = 851,520,891,182.10/1,089,940.33
  6. Step 6: Final answer
    x = 781,254.60

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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.