Home / 1,255,065.63-1,731,990.56-682,107.16

Finding the Fourth Proportional to 1,255,065.63, 1,731,990.56 and 682,107.16

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Solution

The fourth proportional to 1,255,065.63, 1,731,990.56 and 682,107.16 is: 941,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,065.63 : 1,731,990.56 = 682,107.16 : x
  2. Step 2: Convert to fraction form
    1,255,065.63/1,731,990.56 = 682,107.16/x
  3. Step 3: Cross multiply
    1,255,065.63x = 1,731,990.56 × 682,107.16
  4. Step 4: Simplify right side
    1,255,065.63x = 1,181,403,162,028.41
  5. Step 5: Solve for x
    x = 1,181,403,162,028.41/1,255,065.63
  6. Step 6: Final answer
    x = 941,307.88

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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.