Home / 1,105,687.31-1,658,450.90-347,745.56

Finding the Fourth Proportional to 1,105,687.31, 1,658,450.90 and 347,745.56

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Solution

The fourth proportional to 1,105,687.31, 1,658,450.90 and 347,745.56 is: 521,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,687.31 : 1,658,450.90 = 347,745.56 : x
  2. Step 2: Convert to fraction form
    1,105,687.31/1,658,450.90 = 347,745.56/x
  3. Step 3: Cross multiply
    1,105,687.31x = 1,658,450.90 × 347,745.56
  4. Step 4: Simplify right side
    1,105,687.31x = 576,718,929,530.11
  5. Step 5: Solve for x
    x = 576,718,929,530.11/1,105,687.31
  6. Step 6: Final answer
    x = 521,593.15

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1.5x scale

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.