Home / 1,077,401.20-1,616,101.80-628,628.80

Finding the Fourth Proportional to 1,077,401.20, 1,616,101.80 and 628,628.80

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Solution

The fourth proportional to 1,077,401.20, 1,616,101.80 and 628,628.80 is: 942,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,401.20 : 1,616,101.80 = 628,628.80 : x
  2. Step 2: Convert to fraction form
    1,077,401.20/1,616,101.80 = 628,628.80/x
  3. Step 3: Cross multiply
    1,077,401.20x = 1,616,101.80 × 628,628.80
  4. Step 4: Simplify right side
    1,077,401.20x = 1,015,928,135,211.84
  5. Step 5: Solve for x
    x = 1,015,928,135,211.84/1,077,401.20
  6. Step 6: Final answer
    x = 942,943.20

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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.