Home / 1,288,326.60-1,928,553.30-1,004,891.40

Finding the Fourth Proportional to 1,288,326.60, 1,928,553.30 and 1,004,891.40

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Solution

The fourth proportional to 1,288,326.60, 1,928,553.30 and 1,004,891.40 is: 1,504,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,326.60 : 1,928,553.30 = 1,004,891.40 : x
  2. Step 2: Convert to fraction form
    1,288,326.60/1,928,553.30 = 1,004,891.40/x
  3. Step 3: Cross multiply
    1,288,326.60x = 1,928,553.30 × 1,004,891.40
  4. Step 4: Simplify right side
    1,288,326.60x = 1,937,986,625,611.62
  5. Step 5: Solve for x
    x = 1,937,986,625,611.62/1,288,326.60
  6. Step 6: Final answer
    x = 1,504,266.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.