Home / 1,340,992.16-2,012,751.92-488,887.68

Finding the Fourth Proportional to 1,340,992.16, 2,012,751.92 and 488,887.68

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Solution

The fourth proportional to 1,340,992.16, 2,012,751.92 and 488,887.68 is: 733,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,992.16 : 2,012,751.92 = 488,887.68 : x
  2. Step 2: Convert to fraction form
    1,340,992.16/2,012,751.92 = 488,887.68/x
  3. Step 3: Cross multiply
    1,340,992.16x = 2,012,751.92 × 488,887.68
  4. Step 4: Simplify right side
    1,340,992.16x = 984,009,616,584.35
  5. Step 5: Solve for x
    x = 984,009,616,584.35/1,340,992.16
  6. Step 6: Final answer
    x = 733,792.22

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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.