Home / 1,821,257.28-2,732,182.20-684,108

Finding the Fourth Proportional to 1,821,257.28, 2,732,182.20 and 684,108

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Solution

The fourth proportional to 1,821,257.28, 2,732,182.20 and 684,108 is: 1,026,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,257.28 : 2,732,182.20 = 684,108 : x
  2. Step 2: Convert to fraction form
    1,821,257.28/2,732,182.20 = 684,108/x
  3. Step 3: Cross multiply
    1,821,257.28x = 2,732,182.20 × 684,108
  4. Step 4: Simplify right side
    1,821,257.28x = 1,869,107,700,477.60
  5. Step 5: Solve for x
    x = 1,869,107,700,477.60/1,821,257.28
  6. Step 6: Final answer
    x = 1,026,273.29

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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.