Home / 1,261,900.36-1,741,348.56-688,825.36

Finding the Fourth Proportional to 1,261,900.36, 1,741,348.56 and 688,825.36

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Solution

The fourth proportional to 1,261,900.36, 1,741,348.56 and 688,825.36 is: 950,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,900.36 : 1,741,348.56 = 688,825.36 : x
  2. Step 2: Convert to fraction form
    1,261,900.36/1,741,348.56 = 688,825.36/x
  3. Step 3: Cross multiply
    1,261,900.36x = 1,741,348.56 × 688,825.36
  4. Step 4: Simplify right side
    1,261,900.36x = 1,199,485,048,727.48
  5. Step 5: Solve for x
    x = 1,199,485,048,727.48/1,261,900.36
  6. Step 6: Final answer
    x = 950,538.64

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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.