Home / 1,679,489.83-2,519,236.57-417,317.46

Finding the Fourth Proportional to 1,679,489.83, 2,519,236.57 and 417,317.46

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Solution

The fourth proportional to 1,679,489.83, 2,519,236.57 and 417,317.46 is: 625,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,489.83 : 2,519,236.57 = 417,317.46 : x
  2. Step 2: Convert to fraction form
    1,679,489.83/2,519,236.57 = 417,317.46/x
  3. Step 3: Cross multiply
    1,679,489.83x = 2,519,236.57 × 417,317.46
  4. Step 4: Simplify right side
    1,679,489.83x = 1,051,321,393,935.33
  5. Step 5: Solve for x
    x = 1,051,321,393,935.33/1,679,489.83
  6. Step 6: Final answer
    x = 625,976.64

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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.