Home / 1,159,131.20-1,738,696.80-661,467.20

Finding the Fourth Proportional to 1,159,131.20, 1,738,696.80 and 661,467.20

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Solution

The fourth proportional to 1,159,131.20, 1,738,696.80 and 661,467.20 is: 992,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,131.20 : 1,738,696.80 = 661,467.20 : x
  2. Step 2: Convert to fraction form
    1,159,131.20/1,738,696.80 = 661,467.20/x
  3. Step 3: Cross multiply
    1,159,131.20x = 1,738,696.80 × 661,467.20
  4. Step 4: Simplify right side
    1,159,131.20x = 1,150,090,903,944.96
  5. Step 5: Solve for x
    x = 1,150,090,903,944.96/1,159,131.20
  6. Step 6: Final answer
    x = 992,200.80

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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.