Home / 1,206,950.70-1,810,426.05-1,188,288.30

Finding the Fourth Proportional to 1,206,950.70, 1,810,426.05 and 1,188,288.30

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Solution

The fourth proportional to 1,206,950.70, 1,810,426.05 and 1,188,288.30 is: 1,782,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,950.70 : 1,810,426.05 = 1,188,288.30 : x
  2. Step 2: Convert to fraction form
    1,206,950.70/1,810,426.05 = 1,188,288.30/x
  3. Step 3: Cross multiply
    1,206,950.70x = 1,810,426.05 × 1,188,288.30
  4. Step 4: Simplify right side
    1,206,950.70x = 2,151,308,093,230.22
  5. Step 5: Solve for x
    x = 2,151,308,093,230.22/1,206,950.70
  6. Step 6: Final answer
    x = 1,782,432.45

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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.