Home / 1,409,257.55-2,115,381.15-1,248,197.15

Finding the Fourth Proportional to 1,409,257.55, 2,115,381.15 and 1,248,197.15

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Solution

The fourth proportional to 1,409,257.55, 2,115,381.15 and 1,248,197.15 is: 1,873,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,257.55 : 2,115,381.15 = 1,248,197.15 : x
  2. Step 2: Convert to fraction form
    1,409,257.55/2,115,381.15 = 1,248,197.15/x
  3. Step 3: Cross multiply
    1,409,257.55x = 2,115,381.15 × 1,248,197.15
  4. Step 4: Simplify right side
    1,409,257.55x = 2,640,412,722,593.72
  5. Step 5: Solve for x
    x = 2,640,412,722,593.72/1,409,257.55
  6. Step 6: Final answer
    x = 1,873,619.71

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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.