Home / 1,411,745.56-2,116,682.18-513,080.53

Finding the Fourth Proportional to 1,411,745.56, 2,116,682.18 and 513,080.53

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Solution

The fourth proportional to 1,411,745.56, 2,116,682.18 and 513,080.53 is: 769,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,745.56 : 2,116,682.18 = 513,080.53 : x
  2. Step 2: Convert to fraction form
    1,411,745.56/2,116,682.18 = 513,080.53/x
  3. Step 3: Cross multiply
    1,411,745.56x = 2,116,682.18 × 513,080.53
  4. Step 4: Simplify right side
    1,411,745.56x = 1,086,028,408,822.90
  5. Step 5: Solve for x
    x = 1,086,028,408,822.90/1,411,745.56
  6. Step 6: Final answer
    x = 769,280.56

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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.