Home / 1,282,282.98-1,769,377.21-731,069.82

Finding the Fourth Proportional to 1,282,282.98, 1,769,377.21 and 731,069.82

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Solution

The fourth proportional to 1,282,282.98, 1,769,377.21 and 731,069.82 is: 1,008,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,282.98 : 1,769,377.21 = 731,069.82 : x
  2. Step 2: Convert to fraction form
    1,282,282.98/1,769,377.21 = 731,069.82/x
  3. Step 3: Cross multiply
    1,282,282.98x = 1,769,377.21 × 731,069.82
  4. Step 4: Simplify right side
    1,282,282.98x = 1,293,538,278,426.80
  5. Step 5: Solve for x
    x = 1,293,538,278,426.80/1,282,282.98
  6. Step 6: Final answer
    x = 1,008,777.55

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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.