Home / 1,782,017.20-2,669,089.20-716,510.80

Finding the Fourth Proportional to 1,782,017.20, 2,669,089.20 and 716,510.80

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Solution

The fourth proportional to 1,782,017.20, 2,669,089.20 and 716,510.80 is: 1,073,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,017.20 : 2,669,089.20 = 716,510.80 : x
  2. Step 2: Convert to fraction form
    1,782,017.20/2,669,089.20 = 716,510.80/x
  3. Step 3: Cross multiply
    1,782,017.20x = 2,669,089.20 × 716,510.80
  4. Step 4: Simplify right side
    1,782,017.20x = 1,912,431,237,963.36
  5. Step 5: Solve for x
    x = 1,912,431,237,963.36/1,782,017.20
  6. Step 6: Final answer
    x = 1,073,183.38

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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.