Home / 1,419,890.07-1,959,455.49-775,310.25

Finding the Fourth Proportional to 1,419,890.07, 1,959,455.49 and 775,310.25

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Solution

The fourth proportional to 1,419,890.07, 1,959,455.49 and 775,310.25 is: 1,069,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,890.07 : 1,959,455.49 = 775,310.25 : x
  2. Step 2: Convert to fraction form
    1,419,890.07/1,959,455.49 = 775,310.25/x
  3. Step 3: Cross multiply
    1,419,890.07x = 1,959,455.49 × 775,310.25
  4. Step 4: Simplify right side
    1,419,890.07x = 1,519,185,925,815.77
  5. Step 5: Solve for x
    x = 1,519,185,925,815.77/1,419,890.07
  6. Step 6: Final answer
    x = 1,069,932.07

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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.