Home / 1,403,289.54-1,936,537.92-758,708.20

Finding the Fourth Proportional to 1,403,289.54, 1,936,537.92 and 758,708.20

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Solution

The fourth proportional to 1,403,289.54, 1,936,537.92 and 758,708.20 is: 1,047,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,289.54 : 1,936,537.92 = 758,708.20 : x
  2. Step 2: Convert to fraction form
    1,403,289.54/1,936,537.92 = 758,708.20/x
  3. Step 3: Cross multiply
    1,403,289.54x = 1,936,537.92 × 758,708.20
  4. Step 4: Simplify right side
    1,403,289.54x = 1,469,267,201,935.62
  5. Step 5: Solve for x
    x = 1,469,267,201,935.62/1,403,289.54
  6. Step 6: Final answer
    x = 1,047,016.43

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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.