Home / 1,447,158.84-1,997,198.76-802,786.80

Finding the Fourth Proportional to 1,447,158.84, 1,997,198.76 and 802,786.80

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Solution

The fourth proportional to 1,447,158.84, 1,997,198.76 and 802,786.80 is: 1,107,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,158.84 : 1,997,198.76 = 802,786.80 : x
  2. Step 2: Convert to fraction form
    1,447,158.84/1,997,198.76 = 802,786.80/x
  3. Step 3: Cross multiply
    1,447,158.84x = 1,997,198.76 × 802,786.80
  4. Step 4: Simplify right side
    1,447,158.84x = 1,603,324,801,504.37
  5. Step 5: Solve for x
    x = 1,603,324,801,504.37/1,447,158.84
  6. Step 6: Final answer
    x = 1,107,912.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.