Home / 1,314,245.80-1,967,682.30-1,277,381.80

Finding the Fourth Proportional to 1,314,245.80, 1,967,682.30 and 1,277,381.80

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Solution

The fourth proportional to 1,314,245.80, 1,967,682.30 and 1,277,381.80 is: 1,912,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,245.80 : 1,967,682.30 = 1,277,381.80 : x
  2. Step 2: Convert to fraction form
    1,314,245.80/1,967,682.30 = 1,277,381.80/x
  3. Step 3: Cross multiply
    1,314,245.80x = 1,967,682.30 × 1,277,381.80
  4. Step 4: Simplify right side
    1,314,245.80x = 2,513,481,558,202.14
  5. Step 5: Solve for x
    x = 2,513,481,558,202.14/1,314,245.80
  6. Step 6: Final answer
    x = 1,912,489.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.