Home / 1,859,430.32-2,790,640.20-961,135.44

Finding the Fourth Proportional to 1,859,430.32, 2,790,640.20 and 961,135.44

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Solution

The fourth proportional to 1,859,430.32, 2,790,640.20 and 961,135.44 is: 1,442,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,430.32 : 2,790,640.20 = 961,135.44 : x
  2. Step 2: Convert to fraction form
    1,859,430.32/2,790,640.20 = 961,135.44/x
  3. Step 3: Cross multiply
    1,859,430.32x = 2,790,640.20 × 961,135.44
  4. Step 4: Simplify right side
    1,859,430.32x = 2,682,183,196,508.69
  5. Step 5: Solve for x
    x = 2,682,183,196,508.69/1,859,430.32
  6. Step 6: Final answer
    x = 1,442,475.78

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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.