Home / 1,228,974.72-1,694,534.40-841,975.68

Finding the Fourth Proportional to 1,228,974.72, 1,694,534.40 and 841,975.68

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Solution

The fourth proportional to 1,228,974.72, 1,694,534.40 and 841,975.68 is: 1,160,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,974.72 : 1,694,534.40 = 841,975.68 : x
  2. Step 2: Convert to fraction form
    1,228,974.72/1,694,534.40 = 841,975.68/x
  3. Step 3: Cross multiply
    1,228,974.72x = 1,694,534.40 × 841,975.68
  4. Step 4: Simplify right side
    1,228,974.72x = 1,426,756,753,723.39
  5. Step 5: Solve for x
    x = 1,426,756,753,723.39/1,228,974.72
  6. Step 6: Final answer
    x = 1,160,932.55

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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.