Home / 925,356.69-1,274,153.31-809,989.74

Finding the Fourth Proportional to 925,356.69, 1,274,153.31 and 809,989.74

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Solution

The fourth proportional to 925,356.69, 1,274,153.31 and 809,989.74 is: 1,115,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,356.69 : 1,274,153.31 = 809,989.74 : x
  2. Step 2: Convert to fraction form
    925,356.69/1,274,153.31 = 809,989.74/x
  3. Step 3: Cross multiply
    925,356.69x = 1,274,153.31 × 809,989.74
  4. Step 4: Simplify right side
    925,356.69x = 1,032,051,108,287.04
  5. Step 5: Solve for x
    x = 1,032,051,108,287.04/925,356.69
  6. Step 6: Final answer
    x = 1,115,300.86

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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.