Home / 1,012,250.80-1,396,000.75-839,895.39

Finding the Fourth Proportional to 1,012,250.80, 1,396,000.75 and 839,895.39

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Solution

The fourth proportional to 1,012,250.80, 1,396,000.75 and 839,895.39 is: 1,158,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,250.80 : 1,396,000.75 = 839,895.39 : x
  2. Step 2: Convert to fraction form
    1,012,250.80/1,396,000.75 = 839,895.39/x
  3. Step 3: Cross multiply
    1,012,250.80x = 1,396,000.75 × 839,895.39
  4. Step 4: Simplify right side
    1,012,250.80x = 1,172,494,594,361.54
  5. Step 5: Solve for x
    x = 1,172,494,594,361.54/1,012,250.80
  6. Step 6: Final answer
    x = 1,158,304.44

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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.