Home / 1,769,309.02-2,653,959.06-489,912.23

Finding the Fourth Proportional to 1,769,309.02, 2,653,959.06 and 489,912.23

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Solution

The fourth proportional to 1,769,309.02, 2,653,959.06 and 489,912.23 is: 734,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,309.02 : 2,653,959.06 = 489,912.23 : x
  2. Step 2: Convert to fraction form
    1,769,309.02/2,653,959.06 = 489,912.23/x
  3. Step 3: Cross multiply
    1,769,309.02x = 2,653,959.06 × 489,912.23
  4. Step 4: Simplify right side
    1,769,309.02x = 1,300,207,001,413.30
  5. Step 5: Solve for x
    x = 1,300,207,001,413.30/1,769,309.02
  6. Step 6: Final answer
    x = 734,867.11

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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.