Home / 1,137,344.72-1,567,664.40-806,310.64

Finding the Fourth Proportional to 1,137,344.72, 1,567,664.40 and 806,310.64

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Solution

The fourth proportional to 1,137,344.72, 1,567,664.40 and 806,310.64 is: 1,111,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,344.72 : 1,567,664.40 = 806,310.64 : x
  2. Step 2: Convert to fraction form
    1,137,344.72/1,567,664.40 = 806,310.64/x
  3. Step 3: Cross multiply
    1,137,344.72x = 1,567,664.40 × 806,310.64
  4. Step 4: Simplify right side
    1,137,344.72x = 1,264,024,485,669.22
  5. Step 5: Solve for x
    x = 1,264,024,485,669.22/1,137,344.72
  6. Step 6: Final answer
    x = 1,111,382.03

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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.