Home / 1,308,942.72-1,963,456.92-362,234.16

Finding the Fourth Proportional to 1,308,942.72, 1,963,456.92 and 362,234.16

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Solution

The fourth proportional to 1,308,942.72, 1,963,456.92 and 362,234.16 is: 543,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,942.72 : 1,963,456.92 = 362,234.16 : x
  2. Step 2: Convert to fraction form
    1,308,942.72/1,963,456.92 = 362,234.16/x
  3. Step 3: Cross multiply
    1,308,942.72x = 1,963,456.92 × 362,234.16
  4. Step 4: Simplify right side
    1,308,942.72x = 711,231,168,112.39
  5. Step 5: Solve for x
    x = 711,231,168,112.39/1,308,942.72
  6. Step 6: Final answer
    x = 543,363.10

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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.