Home / 1,012,120.14-1,395,821.19-839,765.27

Finding the Fourth Proportional to 1,012,120.14, 1,395,821.19 and 839,765.27

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Solution

The fourth proportional to 1,012,120.14, 1,395,821.19 and 839,765.27 is: 1,158,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,120.14 : 1,395,821.19 = 839,765.27 : x
  2. Step 2: Convert to fraction form
    1,012,120.14/1,395,821.19 = 839,765.27/x
  3. Step 3: Cross multiply
    1,012,120.14x = 1,395,821.19 × 839,765.27
  4. Step 4: Simplify right side
    1,012,120.14x = 1,172,162,158,492.07
  5. Step 5: Solve for x
    x = 1,172,162,158,492.07/1,012,120.14
  6. Step 6: Final answer
    x = 1,158,125.52

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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.