Home / 1,012,250.55-1,396,000.41-839,895.13

Finding the Fourth Proportional to 1,012,250.55, 1,396,000.41 and 839,895.13

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Solution

The fourth proportional to 1,012,250.55, 1,396,000.41 and 839,895.13 is: 1,158,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,250.55 : 1,396,000.41 = 839,895.13 : x
  2. Step 2: Convert to fraction form
    1,012,250.55/1,396,000.41 = 839,895.13/x
  3. Step 3: Cross multiply
    1,012,250.55x = 1,396,000.41 × 839,895.13
  4. Step 4: Simplify right side
    1,012,250.55x = 1,172,493,945,837.00
  5. Step 5: Solve for x
    x = 1,172,493,945,837.00/1,012,250.55
  6. Step 6: Final answer
    x = 1,158,304.08

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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.