Home / 1,217,920.20-1,826,102.70-508,230.60

Finding the Fourth Proportional to 1,217,920.20, 1,826,102.70 and 508,230.60

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Solution

The fourth proportional to 1,217,920.20, 1,826,102.70 and 508,230.60 is: 762,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,920.20 : 1,826,102.70 = 508,230.60 : x
  2. Step 2: Convert to fraction form
    1,217,920.20/1,826,102.70 = 508,230.60/x
  3. Step 3: Cross multiply
    1,217,920.20x = 1,826,102.70 × 508,230.60
  4. Step 4: Simplify right side
    1,217,920.20x = 928,081,270,882.62
  5. Step 5: Solve for x
    x = 928,081,270,882.62/1,217,920.20
  6. Step 6: Final answer
    x = 762,021.41

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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.