Home / 1,103,845.80-1,655,768.70-806,413.80

Finding the Fourth Proportional to 1,103,845.80, 1,655,768.70 and 806,413.80

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Solution

The fourth proportional to 1,103,845.80, 1,655,768.70 and 806,413.80 is: 1,209,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,845.80 : 1,655,768.70 = 806,413.80 : x
  2. Step 2: Convert to fraction form
    1,103,845.80/1,655,768.70 = 806,413.80/x
  3. Step 3: Cross multiply
    1,103,845.80x = 1,655,768.70 × 806,413.80
  4. Step 4: Simplify right side
    1,103,845.80x = 1,335,234,729,288.06
  5. Step 5: Solve for x
    x = 1,335,234,729,288.06/1,103,845.80
  6. Step 6: Final answer
    x = 1,209,620.70

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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.