Home / 1,253,101.98-1,729,282.11-680,142.54

Finding the Fourth Proportional to 1,253,101.98, 1,729,282.11 and 680,142.54

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Solution

The fourth proportional to 1,253,101.98, 1,729,282.11 and 680,142.54 is: 938,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,101.98 : 1,729,282.11 = 680,142.54 : x
  2. Step 2: Convert to fraction form
    1,253,101.98/1,729,282.11 = 680,142.54/x
  3. Step 3: Cross multiply
    1,253,101.98x = 1,729,282.11 × 680,142.54
  4. Step 4: Simplify right side
    1,253,101.98x = 1,176,158,326,671.96
  5. Step 5: Solve for x
    x = 1,176,158,326,671.96/1,253,101.98
  6. Step 6: Final answer
    x = 938,597.45

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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.