Home / 1,285,810.28-1,928,845.02-339,246.44

Finding the Fourth Proportional to 1,285,810.28, 1,928,845.02 and 339,246.44

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Solution

The fourth proportional to 1,285,810.28, 1,928,845.02 and 339,246.44 is: 508,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,810.28 : 1,928,845.02 = 339,246.44 : x
  2. Step 2: Convert to fraction form
    1,285,810.28/1,928,845.02 = 339,246.44/x
  3. Step 3: Cross multiply
    1,285,810.28x = 1,928,845.02 × 339,246.44
  4. Step 4: Simplify right side
    1,285,810.28x = 654,353,806,346.73
  5. Step 5: Solve for x
    x = 654,353,806,346.73/1,285,810.28
  6. Step 6: Final answer
    x = 508,903.85

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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.