Home / 1,209,789.20-1,813,906.20-500,099.60

Finding the Fourth Proportional to 1,209,789.20, 1,813,906.20 and 500,099.60

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Solution

The fourth proportional to 1,209,789.20, 1,813,906.20 and 500,099.60 is: 749,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,789.20 : 1,813,906.20 = 500,099.60 : x
  2. Step 2: Convert to fraction form
    1,209,789.20/1,813,906.20 = 500,099.60/x
  3. Step 3: Cross multiply
    1,209,789.20x = 1,813,906.20 × 500,099.60
  4. Step 4: Simplify right side
    1,209,789.20x = 907,133,765,057.52
  5. Step 5: Solve for x
    x = 907,133,765,057.52/1,209,789.20
  6. Step 6: Final answer
    x = 749,827.96

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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.