Home / 1,126,109.30-1,689,163.52-452,190.42

Finding the Fourth Proportional to 1,126,109.30, 1,689,163.52 and 452,190.42

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Solution

The fourth proportional to 1,126,109.30, 1,689,163.52 and 452,190.42 is: 678,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,109.30 : 1,689,163.52 = 452,190.42 : x
  2. Step 2: Convert to fraction form
    1,126,109.30/1,689,163.52 = 452,190.42/x
  3. Step 3: Cross multiply
    1,126,109.30x = 1,689,163.52 × 452,190.42
  4. Step 4: Simplify right side
    1,126,109.30x = 763,823,559,296.53
  5. Step 5: Solve for x
    x = 763,823,559,296.53/1,126,109.30
  6. Step 6: Final answer
    x = 678,285.46

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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.