Home / 1,074,626.07-1,611,880.78-326,613.75

Finding the Fourth Proportional to 1,074,626.07, 1,611,880.78 and 326,613.75

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Solution

The fourth proportional to 1,074,626.07, 1,611,880.78 and 326,613.75 is: 489,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,626.07 : 1,611,880.78 = 326,613.75 : x
  2. Step 2: Convert to fraction form
    1,074,626.07/1,611,880.78 = 326,613.75/x
  3. Step 3: Cross multiply
    1,074,626.07x = 1,611,880.78 × 326,613.75
  4. Step 4: Simplify right side
    1,074,626.07x = 526,462,426,108.73
  5. Step 5: Solve for x
    x = 526,462,426,108.73/1,074,626.07
  6. Step 6: Final answer
    x = 489,902.90

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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.