Home / 1,419,307.92-1,958,628.60-774,722.88

Finding the Fourth Proportional to 1,419,307.92, 1,958,628.60 and 774,722.88

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Solution

The fourth proportional to 1,419,307.92, 1,958,628.60 and 774,722.88 is: 1,069,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,307.92 : 1,958,628.60 = 774,722.88 : x
  2. Step 2: Convert to fraction form
    1,419,307.92/1,958,628.60 = 774,722.88/x
  3. Step 3: Cross multiply
    1,419,307.92x = 1,958,628.60 × 774,722.88
  4. Step 4: Simplify right side
    1,419,307.92x = 1,517,394,389,842.37
  5. Step 5: Solve for x
    x = 1,517,394,389,842.37/1,419,307.92
  6. Step 6: Final answer
    x = 1,069,108.66

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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.