Home / 1,351,628.37-1,865,046.50-820,923.44

Finding the Fourth Proportional to 1,351,628.37, 1,865,046.50 and 820,923.44

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Solution

The fourth proportional to 1,351,628.37, 1,865,046.50 and 820,923.44 is: 1,132,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,628.37 : 1,865,046.50 = 820,923.44 : x
  2. Step 2: Convert to fraction form
    1,351,628.37/1,865,046.50 = 820,923.44/x
  3. Step 3: Cross multiply
    1,351,628.37x = 1,865,046.50 × 820,923.44
  4. Step 4: Simplify right side
    1,351,628.37x = 1,531,060,375,110.11
  5. Step 5: Solve for x
    x = 1,531,060,375,110.11/1,351,628.37
  6. Step 6: Final answer
    x = 1,132,752.47

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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.