Home / 1,261,281.44-1,890,279.28-512,452

Finding the Fourth Proportional to 1,261,281.44, 1,890,279.28 and 512,452

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Solution

The fourth proportional to 1,261,281.44, 1,890,279.28 and 512,452 is: 768,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,281.44 : 1,890,279.28 = 512,452 : x
  2. Step 2: Convert to fraction form
    1,261,281.44/1,890,279.28 = 512,452/x
  3. Step 3: Cross multiply
    1,261,281.44x = 1,890,279.28 × 512,452
  4. Step 4: Simplify right side
    1,261,281.44x = 968,677,397,594.56
  5. Step 5: Solve for x
    x = 968,677,397,594.56/1,261,281.44
  6. Step 6: Final answer
    x = 768,010.51

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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.