Home / 1,255,087.52-1,732,020.96-682,127.69

Finding the Fourth Proportional to 1,255,087.52, 1,732,020.96 and 682,127.69

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Solution

The fourth proportional to 1,255,087.52, 1,732,020.96 and 682,127.69 is: 941,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,087.52 : 1,732,020.96 = 682,127.69 : x
  2. Step 2: Convert to fraction form
    1,255,087.52/1,732,020.96 = 682,127.69/x
  3. Step 3: Cross multiply
    1,255,087.52x = 1,732,020.96 × 682,127.69
  4. Step 4: Simplify right side
    1,255,087.52x = 1,181,459,461,593.32
  5. Step 5: Solve for x
    x = 1,181,459,461,593.32/1,255,087.52
  6. Step 6: Final answer
    x = 941,336.32

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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.