Home / 1,458,069.05-2,187,116.56-447,195.74

Finding the Fourth Proportional to 1,458,069.05, 2,187,116.56 and 447,195.74

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Solution

The fourth proportional to 1,458,069.05, 2,187,116.56 and 447,195.74 is: 670,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,069.05 : 2,187,116.56 = 447,195.74 : x
  2. Step 2: Convert to fraction form
    1,458,069.05/2,187,116.56 = 447,195.74/x
  3. Step 3: Cross multiply
    1,458,069.05x = 2,187,116.56 × 447,195.74
  4. Step 4: Simplify right side
    1,458,069.05x = 978,069,195,623.39
  5. Step 5: Solve for x
    x = 978,069,195,623.39/1,458,069.05
  6. Step 6: Final answer
    x = 670,797.58

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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.