Home / 1,370,845.91-1,891,826.46-758,998.65

Finding the Fourth Proportional to 1,370,845.91, 1,891,826.46 and 758,998.65

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Solution

The fourth proportional to 1,370,845.91, 1,891,826.46 and 758,998.65 is: 1,047,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,845.91 : 1,891,826.46 = 758,998.65 : x
  2. Step 2: Convert to fraction form
    1,370,845.91/1,891,826.46 = 758,998.65/x
  3. Step 3: Cross multiply
    1,370,845.91x = 1,891,826.46 × 758,998.65
  4. Step 4: Simplify right side
    1,370,845.91x = 1,435,893,729,174.28
  5. Step 5: Solve for x
    x = 1,435,893,729,174.28/1,370,845.91
  6. Step 6: Final answer
    x = 1,047,450.87

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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.