Home / 1,224,098.80-1,836,148.20-513,890.80

Finding the Fourth Proportional to 1,224,098.80, 1,836,148.20 and 513,890.80

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Solution

The fourth proportional to 1,224,098.80, 1,836,148.20 and 513,890.80 is: 770,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,098.80 : 1,836,148.20 = 513,890.80 : x
  2. Step 2: Convert to fraction form
    1,224,098.80/1,836,148.20 = 513,890.80/x
  3. Step 3: Cross multiply
    1,224,098.80x = 1,836,148.20 × 513,890.80
  4. Step 4: Simplify right side
    1,224,098.80x = 943,579,667,416.56
  5. Step 5: Solve for x
    x = 943,579,667,416.56/1,224,098.80
  6. Step 6: Final answer
    x = 770,836.20

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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.