Home / 1,146,634.88-1,582,227.56-687,768.12

Finding the Fourth Proportional to 1,146,634.88, 1,582,227.56 and 687,768.12

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Solution

The fourth proportional to 1,146,634.88, 1,582,227.56 and 687,768.12 is: 949,042.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,634.88 : 1,582,227.56 = 687,768.12 : x
  2. Step 2: Convert to fraction form
    1,146,634.88/1,582,227.56 = 687,768.12/x
  3. Step 3: Cross multiply
    1,146,634.88x = 1,582,227.56 × 687,768.12
  4. Step 4: Simplify right side
    1,146,634.88x = 1,088,205,674,353.39
  5. Step 5: Solve for x
    x = 1,088,205,674,353.39/1,146,634.88
  6. Step 6: Final answer
    x = 949,042.88

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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.