Home / 1,433,530.44-1,978,232.22-813,448.53

Finding the Fourth Proportional to 1,433,530.44, 1,978,232.22 and 813,448.53

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Solution

The fourth proportional to 1,433,530.44, 1,978,232.22 and 813,448.53 is: 1,122,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,530.44 : 1,978,232.22 = 813,448.53 : x
  2. Step 2: Convert to fraction form
    1,433,530.44/1,978,232.22 = 813,448.53/x
  3. Step 3: Cross multiply
    1,433,530.44x = 1,978,232.22 × 813,448.53
  4. Step 4: Simplify right side
    1,433,530.44x = 1,609,190,091,357.64
  5. Step 5: Solve for x
    x = 1,609,190,091,357.64/1,433,530.44
  6. Step 6: Final answer
    x = 1,122,536.39

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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.