Home / 1,419,044.23-1,958,286.46-774,478.63

Finding the Fourth Proportional to 1,419,044.23, 1,958,286.46 and 774,478.63

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Solution

The fourth proportional to 1,419,044.23, 1,958,286.46 and 774,478.63 is: 1,068,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,044.23 : 1,958,286.46 = 774,478.63 : x
  2. Step 2: Convert to fraction form
    1,419,044.23/1,958,286.46 = 774,478.63/x
  3. Step 3: Cross multiply
    1,419,044.23x = 1,958,286.46 × 774,478.63
  4. Step 4: Simplify right side
    1,419,044.23x = 1,516,651,004,896.92
  5. Step 5: Solve for x
    x = 1,516,651,004,896.92/1,419,044.23
  6. Step 6: Final answer
    x = 1,068,783.47

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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.