Home / 1,245,745.80-1,868,618.70-1,183,537.80

Finding the Fourth Proportional to 1,245,745.80, 1,868,618.70 and 1,183,537.80

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Solution

The fourth proportional to 1,245,745.80, 1,868,618.70 and 1,183,537.80 is: 1,775,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,745.80 : 1,868,618.70 = 1,183,537.80 : x
  2. Step 2: Convert to fraction form
    1,245,745.80/1,868,618.70 = 1,183,537.80/x
  3. Step 3: Cross multiply
    1,245,745.80x = 1,868,618.70 × 1,183,537.80
  4. Step 4: Simplify right side
    1,245,745.80x = 2,211,580,865,236.86
  5. Step 5: Solve for x
    x = 2,211,580,865,236.86/1,245,745.80
  6. Step 6: Final answer
    x = 1,775,306.70

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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.