Home / 1,012,121.39-1,395,822.92-839,766.52

Finding the Fourth Proportional to 1,012,121.39, 1,395,822.92 and 839,766.52

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Solution

The fourth proportional to 1,012,121.39, 1,395,822.92 and 839,766.52 is: 1,158,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,121.39 : 1,395,822.92 = 839,766.52 : x
  2. Step 2: Convert to fraction form
    1,012,121.39/1,395,822.92 = 839,766.52/x
  3. Step 3: Cross multiply
    1,012,121.39x = 1,395,822.92 × 839,766.52
  4. Step 4: Simplify right side
    1,012,121.39x = 1,172,165,353,610.58
  5. Step 5: Solve for x
    x = 1,172,165,353,610.58/1,012,121.39
  6. Step 6: Final answer
    x = 1,158,127.24

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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.