Home / 1,811,898.72-2,715,855.21-746,359.65

Finding the Fourth Proportional to 1,811,898.72, 2,715,855.21 and 746,359.65

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Solution

The fourth proportional to 1,811,898.72, 2,715,855.21 and 746,359.65 is: 1,118,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,898.72 : 2,715,855.21 = 746,359.65 : x
  2. Step 2: Convert to fraction form
    1,811,898.72/2,715,855.21 = 746,359.65/x
  3. Step 3: Cross multiply
    1,811,898.72x = 2,715,855.21 × 746,359.65
  4. Step 4: Simplify right side
    1,811,898.72x = 2,027,004,743,986.28
  5. Step 5: Solve for x
    x = 2,027,004,743,986.28/1,811,898.72
  6. Step 6: Final answer
    x = 1,118,718.57

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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.