Home / 1,629,029.80-2,445,099.90-831,212.20

Finding the Fourth Proportional to 1,629,029.80, 2,445,099.90 and 831,212.20

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Solution

The fourth proportional to 1,629,029.80, 2,445,099.90 and 831,212.20 is: 1,247,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,029.80 : 2,445,099.90 = 831,212.20 : x
  2. Step 2: Convert to fraction form
    1,629,029.80/2,445,099.90 = 831,212.20/x
  3. Step 3: Cross multiply
    1,629,029.80x = 2,445,099.90 × 831,212.20
  4. Step 4: Simplify right side
    1,629,029.80x = 2,032,396,867,098.78
  5. Step 5: Solve for x
    x = 2,032,396,867,098.78/1,629,029.80
  6. Step 6: Final answer
    x = 1,247,611.84

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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.