Home / 1,611,946.87-2,417,832.78-489,928.39

Finding the Fourth Proportional to 1,611,946.87, 2,417,832.78 and 489,928.39

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Solution

The fourth proportional to 1,611,946.87, 2,417,832.78 and 489,928.39 is: 734,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,946.87 : 2,417,832.78 = 489,928.39 : x
  2. Step 2: Convert to fraction form
    1,611,946.87/2,417,832.78 = 489,928.39/x
  3. Step 3: Cross multiply
    1,611,946.87x = 2,417,832.78 × 489,928.39
  4. Step 4: Simplify right side
    1,611,946.87x = 1,184,564,921,194.62
  5. Step 5: Solve for x
    x = 1,184,564,921,194.62/1,611,946.87
  6. Step 6: Final answer
    x = 734,865.98

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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.