Home / 1,182,481.67-1,631,824.31-638,617.58

Finding the Fourth Proportional to 1,182,481.67, 1,631,824.31 and 638,617.58

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Solution

The fourth proportional to 1,182,481.67, 1,631,824.31 and 638,617.58 is: 881,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,481.67 : 1,631,824.31 = 638,617.58 : x
  2. Step 2: Convert to fraction form
    1,182,481.67/1,631,824.31 = 638,617.58/x
  3. Step 3: Cross multiply
    1,182,481.67x = 1,631,824.31 × 638,617.58
  4. Step 4: Simplify right side
    1,182,481.67x = 1,042,111,680,485.16
  5. Step 5: Solve for x
    x = 1,042,111,680,485.16/1,182,481.67
  6. Step 6: Final answer
    x = 881,292.04

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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.