Home / 1,108,969.60-1,661,121.60-922,345.60

Finding the Fourth Proportional to 1,108,969.60, 1,661,121.60 and 922,345.60

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Solution

The fourth proportional to 1,108,969.60, 1,661,121.60 and 922,345.60 is: 1,381,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,969.60 : 1,661,121.60 = 922,345.60 : x
  2. Step 2: Convert to fraction form
    1,108,969.60/1,661,121.60 = 922,345.60/x
  3. Step 3: Cross multiply
    1,108,969.60x = 1,661,121.60 × 922,345.60
  4. Step 4: Simplify right side
    1,108,969.60x = 1,532,128,198,824.96
  5. Step 5: Solve for x
    x = 1,532,128,198,824.96/1,108,969.60
  6. Step 6: Final answer
    x = 1,381,578.18

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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.