Home / 1,784,134.62-2,676,726.90-718,628.22

Finding the Fourth Proportional to 1,784,134.62, 2,676,726.90 and 718,628.22

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Solution

The fourth proportional to 1,784,134.62, 2,676,726.90 and 718,628.22 is: 1,078,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,134.62 : 2,676,726.90 = 718,628.22 : x
  2. Step 2: Convert to fraction form
    1,784,134.62/2,676,726.90 = 718,628.22/x
  3. Step 3: Cross multiply
    1,784,134.62x = 2,676,726.90 × 718,628.22
  4. Step 4: Simplify right side
    1,784,134.62x = 1,923,571,487,573.12
  5. Step 5: Solve for x
    x = 1,923,571,487,573.12/1,784,134.62
  6. Step 6: Final answer
    x = 1,078,153.78

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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.