Home / 1,111,330.06-1,667,003.37-312,692.38

Finding the Fourth Proportional to 1,111,330.06, 1,667,003.37 and 312,692.38

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Solution

The fourth proportional to 1,111,330.06, 1,667,003.37 and 312,692.38 is: 469,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,330.06 : 1,667,003.37 = 312,692.38 : x
  2. Step 2: Convert to fraction form
    1,111,330.06/1,667,003.37 = 312,692.38/x
  3. Step 3: Cross multiply
    1,111,330.06x = 1,667,003.37 × 312,692.38
  4. Step 4: Simplify right side
    1,111,330.06x = 521,259,251,233.32
  5. Step 5: Solve for x
    x = 521,259,251,233.32/1,111,330.06
  6. Step 6: Final answer
    x = 469,040.90

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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.