Home / 1,365,843.80-1,884,815.04-753,983.43

Finding the Fourth Proportional to 1,365,843.80, 1,884,815.04 and 753,983.43

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Solution

The fourth proportional to 1,365,843.80, 1,884,815.04 and 753,983.43 is: 1,040,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,843.80 : 1,884,815.04 = 753,983.43 : x
  2. Step 2: Convert to fraction form
    1,365,843.80/1,884,815.04 = 753,983.43/x
  3. Step 3: Cross multiply
    1,365,843.80x = 1,884,815.04 × 753,983.43
  4. Step 4: Simplify right side
    1,365,843.80x = 1,421,119,295,580.80
  5. Step 5: Solve for x
    x = 1,421,119,295,580.80/1,365,843.80
  6. Step 6: Final answer
    x = 1,040,469.85

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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.