Home / 1,217,789.64-1,826,859.42-376,407

Finding the Fourth Proportional to 1,217,789.64, 1,826,859.42 and 376,407

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Solution

The fourth proportional to 1,217,789.64, 1,826,859.42 and 376,407 is: 564,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,789.64 : 1,826,859.42 = 376,407 : x
  2. Step 2: Convert to fraction form
    1,217,789.64/1,826,859.42 = 376,407/x
  3. Step 3: Cross multiply
    1,217,789.64x = 1,826,859.42 × 376,407
  4. Step 4: Simplify right side
    1,217,789.64x = 687,642,673,703.94
  5. Step 5: Solve for x
    x = 687,642,673,703.94/1,217,789.64
  6. Step 6: Final answer
    x = 564,664.58

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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.