Home / 1,072,135.73-1,606,957.36-397,786.90

Finding the Fourth Proportional to 1,072,135.73, 1,606,957.36 and 397,786.90

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Solution

The fourth proportional to 1,072,135.73, 1,606,957.36 and 397,786.90 is: 596,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,135.73 : 1,606,957.36 = 397,786.90 : x
  2. Step 2: Convert to fraction form
    1,072,135.73/1,606,957.36 = 397,786.90/x
  3. Step 3: Cross multiply
    1,072,135.73x = 1,606,957.36 × 397,786.90
  4. Step 4: Simplify right side
    1,072,135.73x = 639,226,586,905.32
  5. Step 5: Solve for x
    x = 639,226,586,905.32/1,072,135.73
  6. Step 6: Final answer
    x = 596,217.97

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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.