Home / 1,279,710.80-1,766,105.34-736,022.60

Finding the Fourth Proportional to 1,279,710.80, 1,766,105.34 and 736,022.60

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Solution

The fourth proportional to 1,279,710.80, 1,766,105.34 and 736,022.60 is: 1,015,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,710.80 : 1,766,105.34 = 736,022.60 : x
  2. Step 2: Convert to fraction form
    1,279,710.80/1,766,105.34 = 736,022.60/x
  3. Step 3: Cross multiply
    1,279,710.80x = 1,766,105.34 × 736,022.60
  4. Step 4: Simplify right side
    1,279,710.80x = 1,299,893,444,220.68
  5. Step 5: Solve for x
    x = 1,299,893,444,220.68/1,279,710.80
  6. Step 6: Final answer
    x = 1,015,771.25

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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.