Home / 1,204,692.20-1,662,196.44-721,073.60

Finding the Fourth Proportional to 1,204,692.20, 1,662,196.44 and 721,073.60

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Solution

The fourth proportional to 1,204,692.20, 1,662,196.44 and 721,073.60 is: 994,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,692.20 : 1,662,196.44 = 721,073.60 : x
  2. Step 2: Convert to fraction form
    1,204,692.20/1,662,196.44 = 721,073.60/x
  3. Step 3: Cross multiply
    1,204,692.20x = 1,662,196.44 × 721,073.60
  4. Step 4: Simplify right side
    1,204,692.20x = 1,198,565,970,897.98
  5. Step 5: Solve for x
    x = 1,198,565,970,897.98/1,204,692.20
  6. Step 6: Final answer
    x = 994,914.69

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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.