Home / 885,401.46-1,321,196.72-789,975.66

Finding the Fourth Proportional to 885,401.46, 1,321,196.72 and 789,975.66

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Solution

The fourth proportional to 885,401.46, 1,321,196.72 and 789,975.66 is: 1,178,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,401.46 : 1,321,196.72 = 789,975.66 : x
  2. Step 2: Convert to fraction form
    885,401.46/1,321,196.72 = 789,975.66/x
  3. Step 3: Cross multiply
    885,401.46x = 1,321,196.72 × 789,975.66
  4. Step 4: Simplify right side
    885,401.46x = 1,043,713,250,871.84
  5. Step 5: Solve for x
    x = 1,043,713,250,871.84/885,401.46
  6. Step 6: Final answer
    x = 1,178,802.27

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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.