Home / 1,874,172.50-2,811,258.78-454,228.58

Finding the Fourth Proportional to 1,874,172.50, 2,811,258.78 and 454,228.58

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Solution

The fourth proportional to 1,874,172.50, 2,811,258.78 and 454,228.58 is: 681,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,172.50 : 2,811,258.78 = 454,228.58 : x
  2. Step 2: Convert to fraction form
    1,874,172.50/2,811,258.78 = 454,228.58/x
  3. Step 3: Cross multiply
    1,874,172.50x = 2,811,258.78 × 454,228.58
  4. Step 4: Simplify right side
    1,874,172.50x = 1,276,954,082,981.94
  5. Step 5: Solve for x
    x = 1,276,954,082,981.94/1,874,172.50
  6. Step 6: Final answer
    x = 681,342.88

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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.