Home / 1,368,183.88-1,888,626.54-1,224,695.80

Finding the Fourth Proportional to 1,368,183.88, 1,888,626.54 and 1,224,695.80

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Solution

The fourth proportional to 1,368,183.88, 1,888,626.54 and 1,224,695.80 is: 1,690,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,183.88 : 1,888,626.54 = 1,224,695.80 : x
  2. Step 2: Convert to fraction form
    1,368,183.88/1,888,626.54 = 1,224,695.80/x
  3. Step 3: Cross multiply
    1,368,183.88x = 1,888,626.54 × 1,224,695.80
  4. Step 4: Simplify right side
    1,368,183.88x = 2,312,992,991,306.53
  5. Step 5: Solve for x
    x = 2,312,992,991,306.53/1,368,183.88
  6. Step 6: Final answer
    x = 1,690,557.11

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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.