Home / 1,422,413.63-1,962,929.96-777,833.84

Finding the Fourth Proportional to 1,422,413.63, 1,962,929.96 and 777,833.84

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Solution

The fourth proportional to 1,422,413.63, 1,962,929.96 and 777,833.84 is: 1,073,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,413.63 : 1,962,929.96 = 777,833.84 : x
  2. Step 2: Convert to fraction form
    1,422,413.63/1,962,929.96 = 777,833.84/x
  3. Step 3: Cross multiply
    1,422,413.63x = 1,962,929.96 × 777,833.84
  4. Step 4: Simplify right side
    1,422,413.63x = 1,526,833,338,623.20
  5. Step 5: Solve for x
    x = 1,526,833,338,623.20/1,422,413.63
  6. Step 6: Final answer
    x = 1,073,410.23

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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.