Home / 1,370,537.82-1,891,314.16-758,690.75

Finding the Fourth Proportional to 1,370,537.82, 1,891,314.16 and 758,690.75

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Solution

The fourth proportional to 1,370,537.82, 1,891,314.16 and 758,690.75 is: 1,046,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,537.82 : 1,891,314.16 = 758,690.75 : x
  2. Step 2: Convert to fraction form
    1,370,537.82/1,891,314.16 = 758,690.75/x
  3. Step 3: Cross multiply
    1,370,537.82x = 1,891,314.16 × 758,690.75
  4. Step 4: Simplify right side
    1,370,537.82x = 1,434,922,561,367.58
  5. Step 5: Solve for x
    x = 1,434,922,561,367.58/1,370,537.82
  6. Step 6: Final answer
    x = 1,046,977.72

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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.