Home / 1,821,258.28-2,732,183.70-684,109

Finding the Fourth Proportional to 1,821,258.28, 2,732,183.70 and 684,109

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Solution

The fourth proportional to 1,821,258.28, 2,732,183.70 and 684,109 is: 1,026,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,258.28 : 2,732,183.70 = 684,109 : x
  2. Step 2: Convert to fraction form
    1,821,258.28/2,732,183.70 = 684,109/x
  3. Step 3: Cross multiply
    1,821,258.28x = 2,732,183.70 × 684,109
  4. Step 4: Simplify right side
    1,821,258.28x = 1,869,111,458,823.30
  5. Step 5: Solve for x
    x = 1,869,111,458,823.30/1,821,258.28
  6. Step 6: Final answer
    x = 1,026,274.79

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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.