Home / 1,079,454.29-1,489,022.46-697,481.06

Finding the Fourth Proportional to 1,079,454.29, 1,489,022.46 and 697,481.06

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Solution

The fourth proportional to 1,079,454.29, 1,489,022.46 and 697,481.06 is: 962,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,454.29 : 1,489,022.46 = 697,481.06 : x
  2. Step 2: Convert to fraction form
    1,079,454.29/1,489,022.46 = 697,481.06/x
  3. Step 3: Cross multiply
    1,079,454.29x = 1,489,022.46 × 697,481.06
  4. Step 4: Simplify right side
    1,079,454.29x = 1,038,564,963,764.61
  5. Step 5: Solve for x
    x = 1,038,564,963,764.61/1,079,454.29
  6. Step 6: Final answer
    x = 962,120.37

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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.