Home / 1,275,380.82-1,759,989.56-694,590.84

Finding the Fourth Proportional to 1,275,380.82, 1,759,989.56 and 694,590.84

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Solution

The fourth proportional to 1,275,380.82, 1,759,989.56 and 694,590.84 is: 958,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,380.82 : 1,759,989.56 = 694,590.84 : x
  2. Step 2: Convert to fraction form
    1,275,380.82/1,759,989.56 = 694,590.84/x
  3. Step 3: Cross multiply
    1,275,380.82x = 1,759,989.56 × 694,590.84
  4. Step 4: Simplify right side
    1,275,380.82x = 1,222,472,626,871.63
  5. Step 5: Solve for x
    x = 1,222,472,626,871.63/1,275,380.82
  6. Step 6: Final answer
    x = 958,515.77

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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.