Home / 1,185,338.48-1,635,772.23-641,474.30

Finding the Fourth Proportional to 1,185,338.48, 1,635,772.23 and 641,474.30

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Solution

The fourth proportional to 1,185,338.48, 1,635,772.23 and 641,474.30 is: 885,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,338.48 : 1,635,772.23 = 641,474.30 : x
  2. Step 2: Convert to fraction form
    1,185,338.48/1,635,772.23 = 641,474.30/x
  3. Step 3: Cross multiply
    1,185,338.48x = 1,635,772.23 × 641,474.30
  4. Step 4: Simplify right side
    1,185,338.48x = 1,049,305,850,288.12
  5. Step 5: Solve for x
    x = 1,049,305,850,288.12/1,185,338.48
  6. Step 6: Final answer
    x = 885,237.32

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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.