Home / 1,269,720.18-1,900,033.11-1,099,531.50

Finding the Fourth Proportional to 1,269,720.18, 1,900,033.11 and 1,099,531.50

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Solution

The fourth proportional to 1,269,720.18, 1,900,033.11 and 1,099,531.50 is: 1,645,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,720.18 : 1,900,033.11 = 1,099,531.50 : x
  2. Step 2: Convert to fraction form
    1,269,720.18/1,900,033.11 = 1,099,531.50/x
  3. Step 3: Cross multiply
    1,269,720.18x = 1,900,033.11 × 1,099,531.50
  4. Step 4: Simplify right side
    1,269,720.18x = 2,089,146,255,487.97
  5. Step 5: Solve for x
    x = 2,089,146,255,487.97/1,269,720.18
  6. Step 6: Final answer
    x = 1,645,359.57

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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.