Home / 1,108,387.64-1,529,591.91-649,392.38

Finding the Fourth Proportional to 1,108,387.64, 1,529,591.91 and 649,392.38

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Solution

The fourth proportional to 1,108,387.64, 1,529,591.91 and 649,392.38 is: 896,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,387.64 : 1,529,591.91 = 649,392.38 : x
  2. Step 2: Convert to fraction form
    1,108,387.64/1,529,591.91 = 649,392.38/x
  3. Step 3: Cross multiply
    1,108,387.64x = 1,529,591.91 × 649,392.38
  4. Step 4: Simplify right side
    1,108,387.64x = 993,305,330,863.65
  5. Step 5: Solve for x
    x = 993,305,330,863.65/1,108,387.64
  6. Step 6: Final answer
    x = 896,171.43

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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.