Home / 1,242,453.30-1,863,679.95-1,100,735.70

Finding the Fourth Proportional to 1,242,453.30, 1,863,679.95 and 1,100,735.70

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Solution

The fourth proportional to 1,242,453.30, 1,863,679.95 and 1,100,735.70 is: 1,651,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,453.30 : 1,863,679.95 = 1,100,735.70 : x
  2. Step 2: Convert to fraction form
    1,242,453.30/1,863,679.95 = 1,100,735.70/x
  3. Step 3: Cross multiply
    1,242,453.30x = 1,863,679.95 × 1,100,735.70
  4. Step 4: Simplify right side
    1,242,453.30x = 2,051,419,054,339.22
  5. Step 5: Solve for x
    x = 2,051,419,054,339.22/1,242,453.30
  6. Step 6: Final answer
    x = 1,651,103.55

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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.