Home / 1,242,842.77-1,855,190.94-1,066,483.09

Finding the Fourth Proportional to 1,242,842.77, 1,855,190.94 and 1,066,483.09

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Solution

The fourth proportional to 1,242,842.77, 1,855,190.94 and 1,066,483.09 is: 1,591,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,842.77 : 1,855,190.94 = 1,066,483.09 : x
  2. Step 2: Convert to fraction form
    1,242,842.77/1,855,190.94 = 1,066,483.09/x
  3. Step 3: Cross multiply
    1,242,842.77x = 1,855,190.94 × 1,066,483.09
  4. Step 4: Simplify right side
    1,242,842.77x = 1,978,529,751,622.83
  5. Step 5: Solve for x
    x = 1,978,529,751,622.83/1,242,842.77
  6. Step 6: Final answer
    x = 1,591,938.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.