Home / 1,255,102.16-1,732,041.18-682,142.31

Finding the Fourth Proportional to 1,255,102.16, 1,732,041.18 and 682,142.31

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Solution

The fourth proportional to 1,255,102.16, 1,732,041.18 and 682,142.31 is: 941,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,102.16 : 1,732,041.18 = 682,142.31 : x
  2. Step 2: Convert to fraction form
    1,255,102.16/1,732,041.18 = 682,142.31/x
  3. Step 3: Cross multiply
    1,255,102.16x = 1,732,041.18 × 682,142.31
  4. Step 4: Simplify right side
    1,255,102.16x = 1,181,498,571,540.33
  5. Step 5: Solve for x
    x = 1,181,498,571,540.33/1,255,102.16
  6. Step 6: Final answer
    x = 941,356.50

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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.