Home / 1,634,623.80-2,255,745.64-946,324.78

Finding the Fourth Proportional to 1,634,623.80, 2,255,745.64 and 946,324.78

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Solution

The fourth proportional to 1,634,623.80, 2,255,745.64 and 946,324.78 is: 1,305,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,623.80 : 2,255,745.64 = 946,324.78 : x
  2. Step 2: Convert to fraction form
    1,634,623.80/2,255,745.64 = 946,324.78/x
  3. Step 3: Cross multiply
    1,634,623.80x = 2,255,745.64 × 946,324.78
  4. Step 4: Simplify right side
    1,634,623.80x = 2,134,667,988,503.78
  5. Step 5: Solve for x
    x = 2,134,667,988,503.78/1,634,623.80
  6. Step 6: Final answer
    x = 1,305,907.81

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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.