Home / 1,419,828.20-1,959,442.26-775,308.20

Finding the Fourth Proportional to 1,419,828.20, 1,959,442.26 and 775,308.20

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Solution

The fourth proportional to 1,419,828.20, 1,959,442.26 and 775,308.20 is: 1,069,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,828.20 : 1,959,442.26 = 775,308.20 : x
  2. Step 2: Convert to fraction form
    1,419,828.20/1,959,442.26 = 775,308.20/x
  3. Step 3: Cross multiply
    1,419,828.20x = 1,959,442.26 × 775,308.20
  4. Step 4: Simplify right side
    1,419,828.20x = 1,519,171,651,604.53
  5. Step 5: Solve for x
    x = 1,519,171,651,604.53/1,419,828.20
  6. Step 6: Final answer
    x = 1,069,968.64

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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.