Home / 1,253,105.84-1,729,289.40-680,146.02

Finding the Fourth Proportional to 1,253,105.84, 1,729,289.40 and 680,146.02

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Solution

The fourth proportional to 1,253,105.84, 1,729,289.40 and 680,146.02 is: 938,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,105.84 : 1,729,289.40 = 680,146.02 : x
  2. Step 2: Convert to fraction form
    1,253,105.84/1,729,289.40 = 680,146.02/x
  3. Step 3: Cross multiply
    1,253,105.84x = 1,729,289.40 × 680,146.02
  4. Step 4: Simplify right side
    1,253,105.84x = 1,176,169,290,791.01
  5. Step 5: Solve for x
    x = 1,176,169,290,791.01/1,253,105.84
  6. Step 6: Final answer
    x = 938,603.31

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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.