Home / 1,074,628.07-1,611,883.78-326,615.75

Finding the Fourth Proportional to 1,074,628.07, 1,611,883.78 and 326,615.75

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Solution

The fourth proportional to 1,074,628.07, 1,611,883.78 and 326,615.75 is: 489,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,628.07 : 1,611,883.78 = 326,615.75 : x
  2. Step 2: Convert to fraction form
    1,074,628.07/1,611,883.78 = 326,615.75/x
  3. Step 3: Cross multiply
    1,074,628.07x = 1,611,883.78 × 326,615.75
  4. Step 4: Simplify right side
    1,074,628.07x = 526,466,629,717.54
  5. Step 5: Solve for x
    x = 526,466,629,717.54/1,074,628.07
  6. Step 6: Final answer
    x = 489,905.90

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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.