Home / 1,253,134.04-1,729,326.72-680,174.33

Finding the Fourth Proportional to 1,253,134.04, 1,729,326.72 and 680,174.33

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Solution

The fourth proportional to 1,253,134.04, 1,729,326.72 and 680,174.33 is: 938,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,134.04 : 1,729,326.72 = 680,174.33 : x
  2. Step 2: Convert to fraction form
    1,253,134.04/1,729,326.72 = 680,174.33/x
  3. Step 3: Cross multiply
    1,253,134.04x = 1,729,326.72 × 680,174.33
  4. Step 4: Simplify right side
    1,253,134.04x = 1,176,243,634,480.46
  5. Step 5: Solve for x
    x = 1,176,243,634,480.46/1,253,134.04
  6. Step 6: Final answer
    x = 938,641.52

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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.