Home / 1,720,208.40-2,580,604.20-522,121.20

Finding the Fourth Proportional to 1,720,208.40, 2,580,604.20 and 522,121.20

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Solution

The fourth proportional to 1,720,208.40, 2,580,604.20 and 522,121.20 is: 783,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,208.40 : 2,580,604.20 = 522,121.20 : x
  2. Step 2: Convert to fraction form
    1,720,208.40/2,580,604.20 = 522,121.20/x
  3. Step 3: Cross multiply
    1,720,208.40x = 2,580,604.20 × 522,121.20
  4. Step 4: Simplify right side
    1,720,208.40x = 1,347,388,161,629.04
  5. Step 5: Solve for x
    x = 1,347,388,161,629.04/1,720,208.40
  6. Step 6: Final answer
    x = 783,270.31

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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.