Home / 1,364,009.85-1,882,329.71-791,385.21

Finding the Fourth Proportional to 1,364,009.85, 1,882,329.71 and 791,385.21

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Solution

The fourth proportional to 1,364,009.85, 1,882,329.71 and 791,385.21 is: 1,092,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,009.85 : 1,882,329.71 = 791,385.21 : x
  2. Step 2: Convert to fraction form
    1,364,009.85/1,882,329.71 = 791,385.21/x
  3. Step 3: Cross multiply
    1,364,009.85x = 1,882,329.71 × 791,385.21
  4. Step 4: Simplify right side
    1,364,009.85x = 1,489,647,888,880.66
  5. Step 5: Solve for x
    x = 1,489,647,888,880.66/1,364,009.85
  6. Step 6: Final answer
    x = 1,092,109.33

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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.