Home / 1,376,922.59-2,065,383.51-430,293.31

Finding the Fourth Proportional to 1,376,922.59, 2,065,383.51 and 430,293.31

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Solution

The fourth proportional to 1,376,922.59, 2,065,383.51 and 430,293.31 is: 645,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,922.59 : 2,065,383.51 = 430,293.31 : x
  2. Step 2: Convert to fraction form
    1,376,922.59/2,065,383.51 = 430,293.31/x
  3. Step 3: Cross multiply
    1,376,922.59x = 2,065,383.51 × 430,293.31
  4. Step 4: Simplify right side
    1,376,922.59x = 888,720,714,198.44
  5. Step 5: Solve for x
    x = 888,720,714,198.44/1,376,922.59
  6. Step 6: Final answer
    x = 645,439.85

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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.