Home / 1,228,784.33-1,696,449.84-1,092,441.68

Finding the Fourth Proportional to 1,228,784.33, 1,696,449.84 and 1,092,441.68

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Solution

The fourth proportional to 1,228,784.33, 1,696,449.84 and 1,092,441.68 is: 1,508,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,784.33 : 1,696,449.84 = 1,092,441.68 : x
  2. Step 2: Convert to fraction form
    1,228,784.33/1,696,449.84 = 1,092,441.68/x
  3. Step 3: Cross multiply
    1,228,784.33x = 1,696,449.84 × 1,092,441.68
  4. Step 4: Simplify right side
    1,228,784.33x = 1,853,272,513,245.33
  5. Step 5: Solve for x
    x = 1,853,272,513,245.33/1,228,784.33
  6. Step 6: Final answer
    x = 1,508,216.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.