Home / 1,611,942.86-2,417,826.80-489,924.38

Finding the Fourth Proportional to 1,611,942.86, 2,417,826.80 and 489,924.38

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Solution

The fourth proportional to 1,611,942.86, 2,417,826.80 and 489,924.38 is: 734,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,942.86 : 2,417,826.80 = 489,924.38 : x
  2. Step 2: Convert to fraction form
    1,611,942.86/2,417,826.80 = 489,924.38/x
  3. Step 3: Cross multiply
    1,611,942.86x = 2,417,826.80 × 489,924.38
  4. Step 4: Simplify right side
    1,611,942.86x = 1,184,552,281,398.63
  5. Step 5: Solve for x
    x = 1,184,552,281,398.63/1,611,942.86
  6. Step 6: Final answer
    x = 734,859.97

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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.