Home / 1,377,900.37-2,066,930.98-418,387.26

Finding the Fourth Proportional to 1,377,900.37, 2,066,930.98 and 418,387.26

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Solution

The fourth proportional to 1,377,900.37, 2,066,930.98 and 418,387.26 is: 627,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,900.37 : 2,066,930.98 = 418,387.26 : x
  2. Step 2: Convert to fraction form
    1,377,900.37/2,066,930.98 = 418,387.26/x
  3. Step 3: Cross multiply
    1,377,900.37x = 2,066,930.98 × 418,387.26
  4. Step 4: Simplify right side
    1,377,900.37x = 864,777,589,331.32
  5. Step 5: Solve for x
    x = 864,777,589,331.32/1,377,900.37
  6. Step 6: Final answer
    x = 627,605.31

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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.