Home / 1,419,813.84-1,959,383.44-775,274.88

Finding the Fourth Proportional to 1,419,813.84, 1,959,383.44 and 775,274.88

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Solution

The fourth proportional to 1,419,813.84, 1,959,383.44 and 775,274.88 is: 1,069,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,813.84 : 1,959,383.44 = 775,274.88 : x
  2. Step 2: Convert to fraction form
    1,419,813.84/1,959,383.44 = 775,274.88/x
  3. Step 3: Cross multiply
    1,419,813.84x = 1,959,383.44 × 775,274.88
  4. Step 4: Simplify right side
    1,419,813.84x = 1,519,060,761,319.99
  5. Step 5: Solve for x
    x = 1,519,060,761,319.99/1,419,813.84
  6. Step 6: Final answer
    x = 1,069,901.36

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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.