Home / 1,028,310.39-1,542,835.35-459,644.22

Finding the Fourth Proportional to 1,028,310.39, 1,542,835.35 and 459,644.22

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Solution

The fourth proportional to 1,028,310.39, 1,542,835.35 and 459,644.22 is: 689,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,310.39 : 1,542,835.35 = 459,644.22 : x
  2. Step 2: Convert to fraction form
    1,028,310.39/1,542,835.35 = 459,644.22/x
  3. Step 3: Cross multiply
    1,028,310.39x = 1,542,835.35 × 459,644.22
  4. Step 4: Simplify right side
    1,028,310.39x = 709,155,351,039.18
  5. Step 5: Solve for x
    x = 709,155,351,039.18/1,028,310.39
  6. Step 6: Final answer
    x = 689,631.61

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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.