Home / 1,203,792.60-1,805,163.95-455,313.72

Finding the Fourth Proportional to 1,203,792.60, 1,805,163.95 and 455,313.72

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Solution

The fourth proportional to 1,203,792.60, 1,805,163.95 and 455,313.72 is: 682,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,792.60 : 1,805,163.95 = 455,313.72 : x
  2. Step 2: Convert to fraction form
    1,203,792.60/1,805,163.95 = 455,313.72/x
  3. Step 3: Cross multiply
    1,203,792.60x = 1,805,163.95 × 455,313.72
  4. Step 4: Simplify right side
    1,203,792.60x = 821,915,911,007.83
  5. Step 5: Solve for x
    x = 821,915,911,007.83/1,203,792.60
  6. Step 6: Final answer
    x = 682,772.02

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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.