Home / 1,278,969.48-1,764,990.12-705,997.32

Finding the Fourth Proportional to 1,278,969.48, 1,764,990.12 and 705,997.32

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Solution

The fourth proportional to 1,278,969.48, 1,764,990.12 and 705,997.32 is: 974,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,969.48 : 1,764,990.12 = 705,997.32 : x
  2. Step 2: Convert to fraction form
    1,278,969.48/1,764,990.12 = 705,997.32/x
  3. Step 3: Cross multiply
    1,278,969.48x = 1,764,990.12 × 705,997.32
  4. Step 4: Simplify right side
    1,278,969.48x = 1,246,078,294,546.48
  5. Step 5: Solve for x
    x = 1,246,078,294,546.48/1,278,969.48
  6. Step 6: Final answer
    x = 974,283.06

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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.