Home / 1,079,267.34-1,618,619.01-320,904.60

Finding the Fourth Proportional to 1,079,267.34, 1,618,619.01 and 320,904.60

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Solution

The fourth proportional to 1,079,267.34, 1,618,619.01 and 320,904.60 is: 481,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,267.34 : 1,618,619.01 = 320,904.60 : x
  2. Step 2: Convert to fraction form
    1,079,267.34/1,618,619.01 = 320,904.60/x
  3. Step 3: Cross multiply
    1,079,267.34x = 1,618,619.01 × 320,904.60
  4. Step 4: Simplify right side
    1,079,267.34x = 519,422,285,956.45
  5. Step 5: Solve for x
    x = 519,422,285,956.45/1,079,267.34
  6. Step 6: Final answer
    x = 481,273.05

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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.