Home / 1,358,110-1,874,226.78-769,361.08

Finding the Fourth Proportional to 1,358,110, 1,874,226.78 and 769,361.08

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Solution

The fourth proportional to 1,358,110, 1,874,226.78 and 769,361.08 is: 1,061,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,110 : 1,874,226.78 = 769,361.08 : x
  2. Step 2: Convert to fraction form
    1,358,110/1,874,226.78 = 769,361.08/x
  3. Step 3: Cross multiply
    1,358,110x = 1,874,226.78 × 769,361.08
  4. Step 4: Simplify right side
    1,358,110x = 1,441,957,139,625.72
  5. Step 5: Solve for x
    x = 1,441,957,139,625.72/1,358,110
  6. Step 6: Final answer
    x = 1,061,738.11

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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.