Home / 1,261,923.36-1,741,445.25-688,963.53

Finding the Fourth Proportional to 1,261,923.36, 1,741,445.25 and 688,963.53

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Solution

The fourth proportional to 1,261,923.36, 1,741,445.25 and 688,963.53 is: 950,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,923.36 : 1,741,445.25 = 688,963.53 : x
  2. Step 2: Convert to fraction form
    1,261,923.36/1,741,445.25 = 688,963.53/x
  3. Step 3: Cross multiply
    1,261,923.36x = 1,741,445.25 × 688,963.53
  4. Step 4: Simplify right side
    1,261,923.36x = 1,199,792,266,741.73
  5. Step 5: Solve for x
    x = 1,199,792,266,741.73/1,261,923.36
  6. Step 6: Final answer
    x = 950,764.76

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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.