Home / 1,558,201.12-2,150,273.92-879,200.80

Finding the Fourth Proportional to 1,558,201.12, 2,150,273.92 and 879,200.80

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Solution

The fourth proportional to 1,558,201.12, 2,150,273.92 and 879,200.80 is: 1,213,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,201.12 : 2,150,273.92 = 879,200.80 : x
  2. Step 2: Convert to fraction form
    1,558,201.12/2,150,273.92 = 879,200.80/x
  3. Step 3: Cross multiply
    1,558,201.12x = 2,150,273.92 × 879,200.80
  4. Step 4: Simplify right side
    1,558,201.12x = 1,890,522,550,683.14
  5. Step 5: Solve for x
    x = 1,890,522,550,683.14/1,558,201.12
  6. Step 6: Final answer
    x = 1,213,272.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.