Home / 1,261,243.32-1,740,552.48-688,320.44

Finding the Fourth Proportional to 1,261,243.32, 1,740,552.48 and 688,320.44

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Solution

The fourth proportional to 1,261,243.32, 1,740,552.48 and 688,320.44 is: 949,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,243.32 : 1,740,552.48 = 688,320.44 : x
  2. Step 2: Convert to fraction form
    1,261,243.32/1,740,552.48 = 688,320.44/x
  3. Step 3: Cross multiply
    1,261,243.32x = 1,740,552.48 × 688,320.44
  4. Step 4: Simplify right side
    1,261,243.32x = 1,198,057,848,876.69
  5. Step 5: Solve for x
    x = 1,198,057,848,876.69/1,261,243.32
  6. Step 6: Final answer
    x = 949,902.24

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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.