Home / 1,253,150.42-1,729,051.20-709,286.22

Finding the Fourth Proportional to 1,253,150.42, 1,729,051.20 and 709,286.22

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Solution

The fourth proportional to 1,253,150.42, 1,729,051.20 and 709,286.22 is: 978,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,150.42 : 1,729,051.20 = 709,286.22 : x
  2. Step 2: Convert to fraction form
    1,253,150.42/1,729,051.20 = 709,286.22/x
  3. Step 3: Cross multiply
    1,253,150.42x = 1,729,051.20 × 709,286.22
  4. Step 4: Simplify right side
    1,253,150.42x = 1,226,392,189,834.46
  5. Step 5: Solve for x
    x = 1,226,392,189,834.46/1,253,150.42
  6. Step 6: Final answer
    x = 978,647.24

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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.