Home / 1,611,942.11-2,417,825.67-489,923.63

Finding the Fourth Proportional to 1,611,942.11, 2,417,825.67 and 489,923.63

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Solution

The fourth proportional to 1,611,942.11, 2,417,825.67 and 489,923.63 is: 734,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,942.11 : 2,417,825.67 = 489,923.63 : x
  2. Step 2: Convert to fraction form
    1,611,942.11/2,417,825.67 = 489,923.63/x
  3. Step 3: Cross multiply
    1,611,942.11x = 2,417,825.67 × 489,923.63
  4. Step 4: Simplify right side
    1,611,942.11x = 1,184,549,916,864.45
  5. Step 5: Solve for x
    x = 1,184,549,916,864.45/1,611,942.11
  6. Step 6: Final answer
    x = 734,858.85

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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.