Home / 1,167,723.56-1,611,457.62-631,179.56

Finding the Fourth Proportional to 1,167,723.56, 1,611,457.62 and 631,179.56

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Solution

The fourth proportional to 1,167,723.56, 1,611,457.62 and 631,179.56 is: 871,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,723.56 : 1,611,457.62 = 631,179.56 : x
  2. Step 2: Convert to fraction form
    1,167,723.56/1,611,457.62 = 631,179.56/x
  3. Step 3: Cross multiply
    1,167,723.56x = 1,611,457.62 × 631,179.56
  4. Step 4: Simplify right side
    1,167,723.56x = 1,017,119,111,550.25
  5. Step 5: Solve for x
    x = 1,017,119,111,550.25/1,167,723.56
  6. Step 6: Final answer
    x = 871,027.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.