Home / 1,120,640.24-1,546,487.16-611,353.28

Finding the Fourth Proportional to 1,120,640.24, 1,546,487.16 and 611,353.28

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Solution

The fourth proportional to 1,120,640.24, 1,546,487.16 and 611,353.28 is: 843,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,640.24 : 1,546,487.16 = 611,353.28 : x
  2. Step 2: Convert to fraction form
    1,120,640.24/1,546,487.16 = 611,353.28/x
  3. Step 3: Cross multiply
    1,120,640.24x = 1,546,487.16 × 611,353.28
  4. Step 4: Simplify right side
    1,120,640.24x = 945,449,997,743.89
  5. Step 5: Solve for x
    x = 945,449,997,743.89/1,120,640.24
  6. Step 6: Final answer
    x = 843,669.51

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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.