Home / 1,360,270.90-2,040,406.35-1,238,965.30

Finding the Fourth Proportional to 1,360,270.90, 2,040,406.35 and 1,238,965.30

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Solution

The fourth proportional to 1,360,270.90, 2,040,406.35 and 1,238,965.30 is: 1,858,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,270.90 : 2,040,406.35 = 1,238,965.30 : x
  2. Step 2: Convert to fraction form
    1,360,270.90/2,040,406.35 = 1,238,965.30/x
  3. Step 3: Cross multiply
    1,360,270.90x = 2,040,406.35 × 1,238,965.30
  4. Step 4: Simplify right side
    1,360,270.90x = 2,527,992,665,549.66
  5. Step 5: Solve for x
    x = 2,527,992,665,549.66/1,360,270.90
  6. Step 6: Final answer
    x = 1,858,447.95

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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.