Home / 1,351,692.36-2,027,735.37-405,136.89

Finding the Fourth Proportional to 1,351,692.36, 2,027,735.37 and 405,136.89

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Solution

The fourth proportional to 1,351,692.36, 2,027,735.37 and 405,136.89 is: 607,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,692.36 : 2,027,735.37 = 405,136.89 : x
  2. Step 2: Convert to fraction form
    1,351,692.36/2,027,735.37 = 405,136.89/x
  3. Step 3: Cross multiply
    1,351,692.36x = 2,027,735.37 × 405,136.89
  4. Step 4: Simplify right side
    1,351,692.36x = 821,510,401,544.80
  5. Step 5: Solve for x
    x = 821,510,401,544.80/1,351,692.36
  6. Step 6: Final answer
    x = 607,764.33

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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.