Home / 1,611,939.86-2,417,822.30-489,921.38

Finding the Fourth Proportional to 1,611,939.86, 2,417,822.30 and 489,921.38

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Solution

The fourth proportional to 1,611,939.86, 2,417,822.30 and 489,921.38 is: 734,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,939.86 : 2,417,822.30 = 489,921.38 : x
  2. Step 2: Convert to fraction form
    1,611,939.86/2,417,822.30 = 489,921.38/x
  3. Step 3: Cross multiply
    1,611,939.86x = 2,417,822.30 × 489,921.38
  4. Step 4: Simplify right side
    1,611,939.86x = 1,184,542,823,272.06
  5. Step 5: Solve for x
    x = 1,184,542,823,272.06/1,611,939.86
  6. Step 6: Final answer
    x = 734,855.47

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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.