Home / 1,267,743.80-1,749,476.40-694,782.60

Finding the Fourth Proportional to 1,267,743.80, 1,749,476.40 and 694,782.60

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Solution

The fourth proportional to 1,267,743.80, 1,749,476.40 and 694,782.60 is: 958,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,743.80 : 1,749,476.40 = 694,782.60 : x
  2. Step 2: Convert to fraction form
    1,267,743.80/1,749,476.40 = 694,782.60/x
  3. Step 3: Cross multiply
    1,267,743.80x = 1,749,476.40 × 694,782.60
  4. Step 4: Simplify right side
    1,267,743.80x = 1,215,505,761,830.64
  5. Step 5: Solve for x
    x = 1,215,505,761,830.64/1,267,743.80
  6. Step 6: Final answer
    x = 958,794.48

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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.