Home / 1,419,834.32-1,959,361.53-775,254.14

Finding the Fourth Proportional to 1,419,834.32, 1,959,361.53 and 775,254.14

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Solution

The fourth proportional to 1,419,834.32, 1,959,361.53 and 775,254.14 is: 1,069,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,834.32 : 1,959,361.53 = 775,254.14 : x
  2. Step 2: Convert to fraction form
    1,419,834.32/1,959,361.53 = 775,254.14/x
  3. Step 3: Cross multiply
    1,419,834.32x = 1,959,361.53 × 775,254.14
  4. Step 4: Simplify right side
    1,419,834.32x = 1,519,003,128,092.43
  5. Step 5: Solve for x
    x = 1,519,003,128,092.43/1,419,834.32
  6. Step 6: Final answer
    x = 1,069,845.34

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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.