Home / 1,260,172.88-1,889,690.70-361,408.28

Finding the Fourth Proportional to 1,260,172.88, 1,889,690.70 and 361,408.28

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Solution

The fourth proportional to 1,260,172.88, 1,889,690.70 and 361,408.28 is: 541,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,172.88 : 1,889,690.70 = 361,408.28 : x
  2. Step 2: Convert to fraction form
    1,260,172.88/1,889,690.70 = 361,408.28/x
  3. Step 3: Cross multiply
    1,260,172.88x = 1,889,690.70 × 361,408.28
  4. Step 4: Simplify right side
    1,260,172.88x = 682,949,865,619.00
  5. Step 5: Solve for x
    x = 682,949,865,619.00/1,260,172.88
  6. Step 6: Final answer
    x = 541,949.34

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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.