Home / 1,815,241.76-2,505,808.08-1,292,289.44

Finding the Fourth Proportional to 1,815,241.76, 2,505,808.08 and 1,292,289.44

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Solution

The fourth proportional to 1,815,241.76, 2,505,808.08 and 1,292,289.44 is: 1,783,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,241.76 : 2,505,808.08 = 1,292,289.44 : x
  2. Step 2: Convert to fraction form
    1,815,241.76/2,505,808.08 = 1,292,289.44/x
  3. Step 3: Cross multiply
    1,815,241.76x = 2,505,808.08 × 1,292,289.44
  4. Step 4: Simplify right side
    1,815,241.76x = 3,238,229,320,450.68
  5. Step 5: Solve for x
    x = 3,238,229,320,450.68/1,815,241.76
  6. Step 6: Final answer
    x = 1,783,910.77

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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.