Home / 1,255,722.64-1,732,849.50-682,763.28

Finding the Fourth Proportional to 1,255,722.64, 1,732,849.50 and 682,763.28

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Solution

The fourth proportional to 1,255,722.64, 1,732,849.50 and 682,763.28 is: 942,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,722.64 : 1,732,849.50 = 682,763.28 : x
  2. Step 2: Convert to fraction form
    1,255,722.64/1,732,849.50 = 682,763.28/x
  3. Step 3: Cross multiply
    1,255,722.64x = 1,732,849.50 × 682,763.28
  4. Step 4: Simplify right side
    1,255,722.64x = 1,183,126,008,366.36
  5. Step 5: Solve for x
    x = 1,183,126,008,366.36/1,255,722.64
  6. Step 6: Final answer
    x = 942,187.37

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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.