Home / 1,223,181.20-1,835,209.20-513,426.80

Finding the Fourth Proportional to 1,223,181.20, 1,835,209.20 and 513,426.80

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Solution

The fourth proportional to 1,223,181.20, 1,835,209.20 and 513,426.80 is: 770,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,181.20 : 1,835,209.20 = 513,426.80 : x
  2. Step 2: Convert to fraction form
    1,223,181.20/1,835,209.20 = 513,426.80/x
  3. Step 3: Cross multiply
    1,223,181.20x = 1,835,209.20 × 513,426.80
  4. Step 4: Simplify right side
    1,223,181.20x = 942,245,586,886.56
  5. Step 5: Solve for x
    x = 942,245,586,886.56/1,223,181.20
  6. Step 6: Final answer
    x = 770,323.80

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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.