Home / 1,213,169.01-1,674,178.79-669,304.50

Finding the Fourth Proportional to 1,213,169.01, 1,674,178.79 and 669,304.50

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Solution

The fourth proportional to 1,213,169.01, 1,674,178.79 and 669,304.50 is: 923,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,169.01 : 1,674,178.79 = 669,304.50 : x
  2. Step 2: Convert to fraction form
    1,213,169.01/1,674,178.79 = 669,304.50/x
  3. Step 3: Cross multiply
    1,213,169.01x = 1,674,178.79 × 669,304.50
  4. Step 4: Simplify right side
    1,213,169.01x = 1,120,535,394,605.03
  5. Step 5: Solve for x
    x = 1,120,535,394,605.03/1,213,169.01
  6. Step 6: Final answer
    x = 923,643.27

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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.