Home / 1,220,902.44-1,831,616.10-411,367.32

Finding the Fourth Proportional to 1,220,902.44, 1,831,616.10 and 411,367.32

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Solution

The fourth proportional to 1,220,902.44, 1,831,616.10 and 411,367.32 is: 617,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,902.44 : 1,831,616.10 = 411,367.32 : x
  2. Step 2: Convert to fraction form
    1,220,902.44/1,831,616.10 = 411,367.32/x
  3. Step 3: Cross multiply
    1,220,902.44x = 1,831,616.10 × 411,367.32
  4. Step 4: Simplify right side
    1,220,902.44x = 753,467,006,325.85
  5. Step 5: Solve for x
    x = 753,467,006,325.85/1,220,902.44
  6. Step 6: Final answer
    x = 617,139.41

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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.