Home / 1,480,532.60-2,221,317.30-639,687.80

Finding the Fourth Proportional to 1,480,532.60, 2,221,317.30 and 639,687.80

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Solution

The fourth proportional to 1,480,532.60, 2,221,317.30 and 639,687.80 is: 959,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,532.60 : 2,221,317.30 = 639,687.80 : x
  2. Step 2: Convert to fraction form
    1,480,532.60/2,221,317.30 = 639,687.80/x
  3. Step 3: Cross multiply
    1,480,532.60x = 2,221,317.30 × 639,687.80
  4. Step 4: Simplify right side
    1,480,532.60x = 1,420,949,576,738.94
  5. Step 5: Solve for x
    x = 1,420,949,576,738.94/1,480,532.60
  6. Step 6: Final answer
    x = 959,755.68

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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.