Home / 1,293,523.22-1,785,115.81-720,563.22

Finding the Fourth Proportional to 1,293,523.22, 1,785,115.81 and 720,563.22

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Solution

The fourth proportional to 1,293,523.22, 1,785,115.81 and 720,563.22 is: 994,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,523.22 : 1,785,115.81 = 720,563.22 : x
  2. Step 2: Convert to fraction form
    1,293,523.22/1,785,115.81 = 720,563.22/x
  3. Step 3: Cross multiply
    1,293,523.22x = 1,785,115.81 × 720,563.22
  4. Step 4: Simplify right side
    1,293,523.22x = 1,286,288,796,126.51
  5. Step 5: Solve for x
    x = 1,286,288,796,126.51/1,293,523.22
  6. Step 6: Final answer
    x = 994,407.19

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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.