Home / 1,419,815.34-1,959,385.51-775,276.38

Finding the Fourth Proportional to 1,419,815.34, 1,959,385.51 and 775,276.38

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Solution

The fourth proportional to 1,419,815.34, 1,959,385.51 and 775,276.38 is: 1,069,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,815.34 : 1,959,385.51 = 775,276.38 : x
  2. Step 2: Convert to fraction form
    1,419,815.34/1,959,385.51 = 775,276.38/x
  3. Step 3: Cross multiply
    1,419,815.34x = 1,959,385.51 × 775,276.38
  4. Step 4: Simplify right side
    1,419,815.34x = 1,519,065,305,217.25
  5. Step 5: Solve for x
    x = 1,519,065,305,217.25/1,419,815.34
  6. Step 6: Final answer
    x = 1,069,903.43

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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.