Home / 1,321,413.93-1,823,601.25-740,647.70

Finding the Fourth Proportional to 1,321,413.93, 1,823,601.25 and 740,647.70

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Solution

The fourth proportional to 1,321,413.93, 1,823,601.25 and 740,647.70 is: 1,022,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,413.93 : 1,823,601.25 = 740,647.70 : x
  2. Step 2: Convert to fraction form
    1,321,413.93/1,823,601.25 = 740,647.70/x
  3. Step 3: Cross multiply
    1,321,413.93x = 1,823,601.25 × 740,647.70
  4. Step 4: Simplify right side
    1,321,413.93x = 1,350,646,071,529.63
  5. Step 5: Solve for x
    x = 1,350,646,071,529.63/1,321,413.93
  6. Step 6: Final answer
    x = 1,022,121.87

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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.