Home / 1,253,145.12-1,729,341.66-680,185.14

Finding the Fourth Proportional to 1,253,145.12, 1,729,341.66 and 680,185.14

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Solution

The fourth proportional to 1,253,145.12, 1,729,341.66 and 680,185.14 is: 938,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,145.12 : 1,729,341.66 = 680,185.14 : x
  2. Step 2: Convert to fraction form
    1,253,145.12/1,729,341.66 = 680,185.14/x
  3. Step 3: Cross multiply
    1,253,145.12x = 1,729,341.66 × 680,185.14
  4. Step 4: Simplify right side
    1,253,145.12x = 1,176,272,499,114.93
  5. Step 5: Solve for x
    x = 1,176,272,499,114.93/1,253,145.12
  6. Step 6: Final answer
    x = 938,656.25

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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.