Home / 1,185,327.52-1,635,751.82-641,463.28

Finding the Fourth Proportional to 1,185,327.52, 1,635,751.82 and 641,463.28

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Solution

The fourth proportional to 1,185,327.52, 1,635,751.82 and 641,463.28 is: 885,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,327.52 : 1,635,751.82 = 641,463.28 : x
  2. Step 2: Convert to fraction form
    1,185,327.52/1,635,751.82 = 641,463.28/x
  3. Step 3: Cross multiply
    1,185,327.52x = 1,635,751.82 × 641,463.28
  4. Step 4: Simplify right side
    1,185,327.52x = 1,049,274,727,723.17
  5. Step 5: Solve for x
    x = 1,049,274,727,723.17/1,185,327.52
  6. Step 6: Final answer
    x = 885,219.24

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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.