Home / 1,782,022.60-2,673,033.90-644,782.60

Finding the Fourth Proportional to 1,782,022.60, 2,673,033.90 and 644,782.60

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Solution

The fourth proportional to 1,782,022.60, 2,673,033.90 and 644,782.60 is: 967,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,022.60 : 2,673,033.90 = 644,782.60 : x
  2. Step 2: Convert to fraction form
    1,782,022.60/2,673,033.90 = 644,782.60/x
  3. Step 3: Cross multiply
    1,782,022.60x = 2,673,033.90 × 644,782.60
  4. Step 4: Simplify right side
    1,782,022.60x = 1,723,525,747,930.14
  5. Step 5: Solve for x
    x = 1,723,525,747,930.14/1,782,022.60
  6. Step 6: Final answer
    x = 967,173.90

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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.