Home / 1,255,529.28-1,732,650.12-682,571.64

Finding the Fourth Proportional to 1,255,529.28, 1,732,650.12 and 682,571.64

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Solution

The fourth proportional to 1,255,529.28, 1,732,650.12 and 682,571.64 is: 941,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,529.28 : 1,732,650.12 = 682,571.64 : x
  2. Step 2: Convert to fraction form
    1,255,529.28/1,732,650.12 = 682,571.64/x
  3. Step 3: Cross multiply
    1,255,529.28x = 1,732,650.12 × 682,571.64
  4. Step 4: Simplify right side
    1,255,529.28x = 1,182,657,833,954.60
  5. Step 5: Solve for x
    x = 1,182,657,833,954.60/1,255,529.28
  6. Step 6: Final answer
    x = 941,959.58

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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.