Home / 1,507,022.25-2,079,692.52-818,694.57

Finding the Fourth Proportional to 1,507,022.25, 2,079,692.52 and 818,694.57

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Solution

The fourth proportional to 1,507,022.25, 2,079,692.52 and 818,694.57 is: 1,129,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,022.25 : 2,079,692.52 = 818,694.57 : x
  2. Step 2: Convert to fraction form
    1,507,022.25/2,079,692.52 = 818,694.57/x
  3. Step 3: Cross multiply
    1,507,022.25x = 2,079,692.52 × 818,694.57
  4. Step 4: Simplify right side
    1,507,022.25x = 1,702,632,973,393.62
  5. Step 5: Solve for x
    x = 1,702,632,973,393.62/1,507,022.25
  6. Step 6: Final answer
    x = 1,129,799.49

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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.