Home / 1,782,028.20-2,669,105.70-716,521.80

Finding the Fourth Proportional to 1,782,028.20, 2,669,105.70 and 716,521.80

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Solution

The fourth proportional to 1,782,028.20, 2,669,105.70 and 716,521.80 is: 1,073,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,028.20 : 2,669,105.70 = 716,521.80 : x
  2. Step 2: Convert to fraction form
    1,782,028.20/2,669,105.70 = 716,521.80/x
  3. Step 3: Cross multiply
    1,782,028.20x = 2,669,105.70 × 716,521.80
  4. Step 4: Simplify right side
    1,782,028.20x = 1,912,472,420,554.26
  5. Step 5: Solve for x
    x = 1,912,472,420,554.26/1,782,028.20
  6. Step 6: Final answer
    x = 1,073,199.86

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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.