Home / 1,419,839.94-1,959,369.30-775,259.76

Finding the Fourth Proportional to 1,419,839.94, 1,959,369.30 and 775,259.76

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Solution

The fourth proportional to 1,419,839.94, 1,959,369.30 and 775,259.76 is: 1,069,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,839.94 : 1,959,369.30 = 775,259.76 : x
  2. Step 2: Convert to fraction form
    1,419,839.94/1,959,369.30 = 775,259.76/x
  3. Step 3: Cross multiply
    1,419,839.94x = 1,959,369.30 × 775,259.76
  4. Step 4: Simplify right side
    1,419,839.94x = 1,519,020,173,269.37
  5. Step 5: Solve for x
    x = 1,519,020,173,269.37/1,419,839.94
  6. Step 6: Final answer
    x = 1,069,853.11

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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.