Home / 1,301,120.38-1,796,648.34-817,841.17

Finding the Fourth Proportional to 1,301,120.38, 1,796,648.34 and 817,841.17

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Solution

The fourth proportional to 1,301,120.38, 1,796,648.34 and 817,841.17 is: 1,129,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,120.38 : 1,796,648.34 = 817,841.17 : x
  2. Step 2: Convert to fraction form
    1,301,120.38/1,796,648.34 = 817,841.17/x
  3. Step 3: Cross multiply
    1,301,120.38x = 1,796,648.34 × 817,841.17
  4. Step 4: Simplify right side
    1,301,120.38x = 1,469,372,980,464.16
  5. Step 5: Solve for x
    x = 1,469,372,980,464.16/1,301,120.38
  6. Step 6: Final answer
    x = 1,129,313.63

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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.