Home / 1,345,218.18-1,856,413.77-741,627.78

Finding the Fourth Proportional to 1,345,218.18, 1,856,413.77 and 741,627.78

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Solution

The fourth proportional to 1,345,218.18, 1,856,413.77 and 741,627.78 is: 1,023,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,218.18 : 1,856,413.77 = 741,627.78 : x
  2. Step 2: Convert to fraction form
    1,345,218.18/1,856,413.77 = 741,627.78/x
  3. Step 3: Cross multiply
    1,345,218.18x = 1,856,413.77 × 741,627.78
  4. Step 4: Simplify right side
    1,345,218.18x = 1,376,768,023,006.53
  5. Step 5: Solve for x
    x = 1,376,768,023,006.53/1,345,218.18
  6. Step 6: Final answer
    x = 1,023,453.33

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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.