Home / 1,201,849.50-1,800,182.52-1,131,187.53

Finding the Fourth Proportional to 1,201,849.50, 1,800,182.52 and 1,131,187.53

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Solution

The fourth proportional to 1,201,849.50, 1,800,182.52 and 1,131,187.53 is: 1,694,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,849.50 : 1,800,182.52 = 1,131,187.53 : x
  2. Step 2: Convert to fraction form
    1,201,849.50/1,800,182.52 = 1,131,187.53/x
  3. Step 3: Cross multiply
    1,201,849.50x = 1,800,182.52 × 1,131,187.53
  4. Step 4: Simplify right side
    1,201,849.50x = 2,036,344,018,347.98
  5. Step 5: Solve for x
    x = 2,036,344,018,347.98/1,201,849.50
  6. Step 6: Final answer
    x = 1,694,341.94

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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.