Home / 1,074,628.57-1,611,884.53-326,616.25

Finding the Fourth Proportional to 1,074,628.57, 1,611,884.53 and 326,616.25

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Solution

The fourth proportional to 1,074,628.57, 1,611,884.53 and 326,616.25 is: 489,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,628.57 : 1,611,884.53 = 326,616.25 : x
  2. Step 2: Convert to fraction form
    1,074,628.57/1,611,884.53 = 326,616.25/x
  3. Step 3: Cross multiply
    1,074,628.57x = 1,611,884.53 × 326,616.25
  4. Step 4: Simplify right side
    1,074,628.57x = 526,467,680,621.61
  5. Step 5: Solve for x
    x = 526,467,680,621.61/1,074,628.57
  6. Step 6: Final answer
    x = 489,906.65

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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.