Home / 1,255,135.50-1,732,080.86-682,175.72

Finding the Fourth Proportional to 1,255,135.50, 1,732,080.86 and 682,175.72

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Solution

The fourth proportional to 1,255,135.50, 1,732,080.86 and 682,175.72 is: 941,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,135.50 : 1,732,080.86 = 682,175.72 : x
  2. Step 2: Convert to fraction form
    1,255,135.50/1,732,080.86 = 682,175.72/x
  3. Step 3: Cross multiply
    1,255,135.50x = 1,732,080.86 × 682,175.72
  4. Step 4: Simplify right side
    1,255,135.50x = 1,181,583,507,768.72
  5. Step 5: Solve for x
    x = 1,181,583,507,768.72/1,255,135.50
  6. Step 6: Final answer
    x = 941,399.16

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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.