Home / 1,728,215.46-2,384,555.49-1,002,642.66

Finding the Fourth Proportional to 1,728,215.46, 2,384,555.49 and 1,002,642.66

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Solution

The fourth proportional to 1,728,215.46, 2,384,555.49 and 1,002,642.66 is: 1,383,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,215.46 : 2,384,555.49 = 1,002,642.66 : x
  2. Step 2: Convert to fraction form
    1,728,215.46/2,384,555.49 = 1,002,642.66/x
  3. Step 3: Cross multiply
    1,728,215.46x = 2,384,555.49 × 1,002,642.66
  4. Step 4: Simplify right side
    1,728,215.46x = 2,390,857,059,411.20
  5. Step 5: Solve for x
    x = 2,390,857,059,411.20/1,728,215.46
  6. Step 6: Final answer
    x = 1,383,425.34

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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.