Home / 1,011,481.54-1,517,968.86-479,001.58

Finding the Fourth Proportional to 1,011,481.54, 1,517,968.86 and 479,001.58

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Solution

The fourth proportional to 1,011,481.54, 1,517,968.86 and 479,001.58 is: 718,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,481.54 : 1,517,968.86 = 479,001.58 : x
  2. Step 2: Convert to fraction form
    1,011,481.54/1,517,968.86 = 479,001.58/x
  3. Step 3: Cross multiply
    1,011,481.54x = 1,517,968.86 × 479,001.58
  4. Step 4: Simplify right side
    1,011,481.54x = 727,109,482,330.80
  5. Step 5: Solve for x
    x = 727,109,482,330.80/1,011,481.54
  6. Step 6: Final answer
    x = 718,855.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.