Home / 1,421,452.80-2,131,401.60-579,052.80

Finding the Fourth Proportional to 1,421,452.80, 2,131,401.60 and 579,052.80

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Solution

The fourth proportional to 1,421,452.80, 2,131,401.60 and 579,052.80 is: 868,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,452.80 : 2,131,401.60 = 579,052.80 : x
  2. Step 2: Convert to fraction form
    1,421,452.80/2,131,401.60 = 579,052.80/x
  3. Step 3: Cross multiply
    1,421,452.80x = 2,131,401.60 × 579,052.80
  4. Step 4: Simplify right side
    1,421,452.80x = 1,234,194,064,404.48
  5. Step 5: Solve for x
    x = 1,234,194,064,404.48/1,421,452.80
  6. Step 6: Final answer
    x = 868,262.43

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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.