Home / 1,285,265.74-1,773,261.42-741,328.60

Finding the Fourth Proportional to 1,285,265.74, 1,773,261.42 and 741,328.60

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Solution

The fourth proportional to 1,285,265.74, 1,773,261.42 and 741,328.60 is: 1,022,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,265.74 : 1,773,261.42 = 741,328.60 : x
  2. Step 2: Convert to fraction form
    1,285,265.74/1,773,261.42 = 741,328.60/x
  3. Step 3: Cross multiply
    1,285,265.74x = 1,773,261.42 × 741,328.60
  4. Step 4: Simplify right side
    1,285,265.74x = 1,314,569,405,922.61
  5. Step 5: Solve for x
    x = 1,314,569,405,922.61/1,285,265.74
  6. Step 6: Final answer
    x = 1,022,799.69

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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.