Home / 1,370,573.72-1,891,361.70-750,377.56

Finding the Fourth Proportional to 1,370,573.72, 1,891,361.70 and 750,377.56

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Solution

The fourth proportional to 1,370,573.72, 1,891,361.70 and 750,377.56 is: 1,035,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,573.72 : 1,891,361.70 = 750,377.56 : x
  2. Step 2: Convert to fraction form
    1,370,573.72/1,891,361.70 = 750,377.56/x
  3. Step 3: Cross multiply
    1,370,573.72x = 1,891,361.70 × 750,377.56
  4. Step 4: Simplify right side
    1,370,573.72x = 1,419,235,377,523.45
  5. Step 5: Solve for x
    x = 1,419,235,377,523.45/1,370,573.72
  6. Step 6: Final answer
    x = 1,035,504.59

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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.