Home / 1,253,272.14-1,729,556.74-709,396.25

Finding the Fourth Proportional to 1,253,272.14, 1,729,556.74 and 709,396.25

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Solution

The fourth proportional to 1,253,272.14, 1,729,556.74 and 709,396.25 is: 978,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,272.14 : 1,729,556.74 = 709,396.25 : x
  2. Step 2: Convert to fraction form
    1,253,272.14/1,729,556.74 = 709,396.25/x
  3. Step 3: Cross multiply
    1,253,272.14x = 1,729,556.74 × 709,396.25
  4. Step 4: Simplify right side
    1,253,272.14x = 1,226,941,068,124.93
  5. Step 5: Solve for x
    x = 1,226,941,068,124.93/1,253,272.14
  6. Step 6: Final answer
    x = 978,990.14

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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.