Home / 1,149,076.62-1,585,736.73-639,789.93

Finding the Fourth Proportional to 1,149,076.62, 1,585,736.73 and 639,789.93

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Solution

The fourth proportional to 1,149,076.62, 1,585,736.73 and 639,789.93 is: 882,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,076.62 : 1,585,736.73 = 639,789.93 : x
  2. Step 2: Convert to fraction form
    1,149,076.62/1,585,736.73 = 639,789.93/x
  3. Step 3: Cross multiply
    1,149,076.62x = 1,585,736.73 × 639,789.93
  4. Step 4: Simplify right side
    1,149,076.62x = 1,014,538,391,485.13
  5. Step 5: Solve for x
    x = 1,014,538,391,485.13/1,149,076.62
  6. Step 6: Final answer
    x = 882,916.22

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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.