Home / 1,478,664.10-2,217,042.31-580,196.60

Finding the Fourth Proportional to 1,478,664.10, 2,217,042.31 and 580,196.60

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Solution

The fourth proportional to 1,478,664.10, 2,217,042.31 and 580,196.60 is: 869,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,664.10 : 2,217,042.31 = 580,196.60 : x
  2. Step 2: Convert to fraction form
    1,478,664.10/2,217,042.31 = 580,196.60/x
  3. Step 3: Cross multiply
    1,478,664.10x = 2,217,042.31 × 580,196.60
  4. Step 4: Simplify right side
    1,478,664.10x = 1,286,320,410,318.15
  5. Step 5: Solve for x
    x = 1,286,320,410,318.15/1,478,664.10
  6. Step 6: Final answer
    x = 869,920.63

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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.