Home / 1,768,622.32-2,438,964.88-1,122,921.52

Finding the Fourth Proportional to 1,768,622.32, 2,438,964.88 and 1,122,921.52

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Solution

The fourth proportional to 1,768,622.32, 2,438,964.88 and 1,122,921.52 is: 1,548,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,622.32 : 2,438,964.88 = 1,122,921.52 : x
  2. Step 2: Convert to fraction form
    1,768,622.32/2,438,964.88 = 1,122,921.52/x
  3. Step 3: Cross multiply
    1,768,622.32x = 2,438,964.88 × 1,122,921.52
  4. Step 4: Simplify right side
    1,768,622.32x = 2,738,766,150,276.22
  5. Step 5: Solve for x
    x = 2,738,766,150,276.22/1,768,622.32
  6. Step 6: Final answer
    x = 1,548,530.81

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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.