Home / 1,089,989.32-1,632,620.94-527,845

Finding the Fourth Proportional to 1,089,989.32, 1,632,620.94 and 527,845

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Solution

The fourth proportional to 1,089,989.32, 1,632,620.94 and 527,845 is: 790,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,989.32 : 1,632,620.94 = 527,845 : x
  2. Step 2: Convert to fraction form
    1,089,989.32/1,632,620.94 = 527,845/x
  3. Step 3: Cross multiply
    1,089,989.32x = 1,632,620.94 × 527,845
  4. Step 4: Simplify right side
    1,089,989.32x = 861,770,800,074.30
  5. Step 5: Solve for x
    x = 861,770,800,074.30/1,089,989.32
  6. Step 6: Final answer
    x = 790,623.16

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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.