Home / 1,310,998.24-1,809,175.80-738,223.48

Finding the Fourth Proportional to 1,310,998.24, 1,809,175.80 and 738,223.48

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Solution

The fourth proportional to 1,310,998.24, 1,809,175.80 and 738,223.48 is: 1,018,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,998.24 : 1,809,175.80 = 738,223.48 : x
  2. Step 2: Convert to fraction form
    1,310,998.24/1,809,175.80 = 738,223.48/x
  3. Step 3: Cross multiply
    1,310,998.24x = 1,809,175.80 × 738,223.48
  4. Step 4: Simplify right side
    1,310,998.24x = 1,335,576,055,007.78
  5. Step 5: Solve for x
    x = 1,335,576,055,007.78/1,310,998.24
  6. Step 6: Final answer
    x = 1,018,747.41

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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.