Home / 1,090,629.20-1,505,053.98-631,806.32

Finding the Fourth Proportional to 1,090,629.20, 1,505,053.98 and 631,806.32

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Solution

The fourth proportional to 1,090,629.20, 1,505,053.98 and 631,806.32 is: 871,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,629.20 : 1,505,053.98 = 631,806.32 : x
  2. Step 2: Convert to fraction form
    1,090,629.20/1,505,053.98 = 631,806.32/x
  3. Step 3: Cross multiply
    1,090,629.20x = 1,505,053.98 × 631,806.32
  4. Step 4: Simplify right side
    1,090,629.20x = 950,902,616,505.15
  5. Step 5: Solve for x
    x = 950,902,616,505.15/1,090,629.20
  6. Step 6: Final answer
    x = 871,884.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.