Home / 1,720,819.20-2,580,883.20-822,259.20

Finding the Fourth Proportional to 1,720,819.20, 2,580,883.20 and 822,259.20

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Solution

The fourth proportional to 1,720,819.20, 2,580,883.20 and 822,259.20 is: 1,233,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,819.20 : 2,580,883.20 = 822,259.20 : x
  2. Step 2: Convert to fraction form
    1,720,819.20/2,580,883.20 = 822,259.20/x
  3. Step 3: Cross multiply
    1,720,819.20x = 2,580,883.20 × 822,259.20
  4. Step 4: Simplify right side
    1,720,819.20x = 2,122,154,955,325.44
  5. Step 5: Solve for x
    x = 2,122,154,955,325.44/1,720,819.20
  6. Step 6: Final answer
    x = 1,233,223.66

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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.