Home / 1,277,522.48-1,915,956.84-378,754.04

Finding the Fourth Proportional to 1,277,522.48, 1,915,956.84 and 378,754.04

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Solution

The fourth proportional to 1,277,522.48, 1,915,956.84 and 378,754.04 is: 568,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,522.48 : 1,915,956.84 = 378,754.04 : x
  2. Step 2: Convert to fraction form
    1,277,522.48/1,915,956.84 = 378,754.04/x
  3. Step 3: Cross multiply
    1,277,522.48x = 1,915,956.84 × 378,754.04
  4. Step 4: Simplify right side
    1,277,522.48x = 725,676,393,615.63
  5. Step 5: Solve for x
    x = 725,676,393,615.63/1,277,522.48
  6. Step 6: Final answer
    x = 568,034.15

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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.