Home / 1,072,055.97-1,479,438.36-636,560.24

Finding the Fourth Proportional to 1,072,055.97, 1,479,438.36 and 636,560.24

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Solution

The fourth proportional to 1,072,055.97, 1,479,438.36 and 636,560.24 is: 878,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,055.97 : 1,479,438.36 = 636,560.24 : x
  2. Step 2: Convert to fraction form
    1,072,055.97/1,479,438.36 = 636,560.24/x
  3. Step 3: Cross multiply
    1,072,055.97x = 1,479,438.36 × 636,560.24
  4. Step 4: Simplify right side
    1,072,055.97x = 941,751,630,109.62
  5. Step 5: Solve for x
    x = 941,751,630,109.62/1,072,055.97
  6. Step 6: Final answer
    x = 878,453.79

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Double scale
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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.