Home / 1,436,722.80-1,982,913.66-864,078.72

Finding the Fourth Proportional to 1,436,722.80, 1,982,913.66 and 864,078.72

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Solution

The fourth proportional to 1,436,722.80, 1,982,913.66 and 864,078.72 is: 1,192,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,722.80 : 1,982,913.66 = 864,078.72 : x
  2. Step 2: Convert to fraction form
    1,436,722.80/1,982,913.66 = 864,078.72/x
  3. Step 3: Cross multiply
    1,436,722.80x = 1,982,913.66 × 864,078.72
  4. Step 4: Simplify right side
    1,436,722.80x = 1,713,393,497,203.32
  5. Step 5: Solve for x
    x = 1,713,393,497,203.32/1,436,722.80
  6. Step 6: Final answer
    x = 1,192,570.69

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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.