Home / 1,225,813.20-1,835,220.60-1,085,845.20

Finding the Fourth Proportional to 1,225,813.20, 1,835,220.60 and 1,085,845.20

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Solution

The fourth proportional to 1,225,813.20, 1,835,220.60 and 1,085,845.20 is: 1,625,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,813.20 : 1,835,220.60 = 1,085,845.20 : x
  2. Step 2: Convert to fraction form
    1,225,813.20/1,835,220.60 = 1,085,845.20/x
  3. Step 3: Cross multiply
    1,225,813.20x = 1,835,220.60 × 1,085,845.20
  4. Step 4: Simplify right side
    1,225,813.20x = 1,992,765,479,451.12
  5. Step 5: Solve for x
    x = 1,992,765,479,451.12/1,225,813.20
  6. Step 6: Final answer
    x = 1,625,668.15

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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.