Home / 1,757,758.80-2,636,638.20-810,849.36

Finding the Fourth Proportional to 1,757,758.80, 2,636,638.20 and 810,849.36

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Solution

The fourth proportional to 1,757,758.80, 2,636,638.20 and 810,849.36 is: 1,216,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,758.80 : 2,636,638.20 = 810,849.36 : x
  2. Step 2: Convert to fraction form
    1,757,758.80/2,636,638.20 = 810,849.36/x
  3. Step 3: Cross multiply
    1,757,758.80x = 2,636,638.20 × 810,849.36
  4. Step 4: Simplify right side
    1,757,758.80x = 2,137,916,397,021.55
  5. Step 5: Solve for x
    x = 2,137,916,397,021.55/1,757,758.80
  6. Step 6: Final answer
    x = 1,216,274.04

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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.