Home / 1,126,361.48-1,689,338.12-452,415.56

Finding the Fourth Proportional to 1,126,361.48, 1,689,338.12 and 452,415.56

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Solution

The fourth proportional to 1,126,361.48, 1,689,338.12 and 452,415.56 is: 678,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,361.48 : 1,689,338.12 = 452,415.56 : x
  2. Step 2: Convert to fraction form
    1,126,361.48/1,689,338.12 = 452,415.56/x
  3. Step 3: Cross multiply
    1,126,361.48x = 1,689,338.12 × 452,415.56
  4. Step 4: Simplify right side
    1,126,361.48x = 764,282,851,589.15
  5. Step 5: Solve for x
    x = 764,282,851,589.15/1,126,361.48
  6. Step 6: Final answer
    x = 678,541.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.