Home / 1,255,179.51-1,732,158.27-682,219.53

Finding the Fourth Proportional to 1,255,179.51, 1,732,158.27 and 682,219.53

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Solution

The fourth proportional to 1,255,179.51, 1,732,158.27 and 682,219.53 is: 941,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,179.51 : 1,732,158.27 = 682,219.53 : x
  2. Step 2: Convert to fraction form
    1,255,179.51/1,732,158.27 = 682,219.53/x
  3. Step 3: Cross multiply
    1,255,179.51x = 1,732,158.27 × 682,219.53
  4. Step 4: Simplify right side
    1,255,179.51x = 1,181,712,200,845.01
  5. Step 5: Solve for x
    x = 1,181,712,200,845.01/1,255,179.51
  6. Step 6: Final answer
    x = 941,468.68

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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.