Home / 1,338,083.80-2,007,125.70-889,408.60

Finding the Fourth Proportional to 1,338,083.80, 2,007,125.70 and 889,408.60

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Solution

The fourth proportional to 1,338,083.80, 2,007,125.70 and 889,408.60 is: 1,334,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,083.80 : 2,007,125.70 = 889,408.60 : x
  2. Step 2: Convert to fraction form
    1,338,083.80/2,007,125.70 = 889,408.60/x
  3. Step 3: Cross multiply
    1,338,083.80x = 2,007,125.70 × 889,408.60
  4. Step 4: Simplify right side
    1,338,083.80x = 1,785,154,858,861.02
  5. Step 5: Solve for x
    x = 1,785,154,858,861.02/1,338,083.80
  6. Step 6: Final answer
    x = 1,334,112.90

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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.