Home / 1,185,274.14-1,635,665.82-641,398.02

Finding the Fourth Proportional to 1,185,274.14, 1,635,665.82 and 641,398.02

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Solution

The fourth proportional to 1,185,274.14, 1,635,665.82 and 641,398.02 is: 885,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,274.14 : 1,635,665.82 = 641,398.02 : x
  2. Step 2: Convert to fraction form
    1,185,274.14/1,635,665.82 = 641,398.02/x
  3. Step 3: Cross multiply
    1,185,274.14x = 1,635,665.82 × 641,398.02
  4. Step 4: Simplify right side
    1,185,274.14x = 1,049,112,818,329.68
  5. Step 5: Solve for x
    x = 1,049,112,818,329.68/1,185,274.14
  6. Step 6: Final answer
    x = 885,122.51

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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.