Home / 1,260,334.60-1,890,732.30-512,456.20

Finding the Fourth Proportional to 1,260,334.60, 1,890,732.30 and 512,456.20

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Solution

The fourth proportional to 1,260,334.60, 1,890,732.30 and 512,456.20 is: 768,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,334.60 : 1,890,732.30 = 512,456.20 : x
  2. Step 2: Convert to fraction form
    1,260,334.60/1,890,732.30 = 512,456.20/x
  3. Step 3: Cross multiply
    1,260,334.60x = 1,890,732.30 × 512,456.20
  4. Step 4: Simplify right side
    1,260,334.60x = 968,917,489,675.26
  5. Step 5: Solve for x
    x = 968,917,489,675.26/1,260,334.60
  6. Step 6: Final answer
    x = 768,777.98

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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.