Home / 1,213,010.74-1,673,928.06-669,146.98

Finding the Fourth Proportional to 1,213,010.74, 1,673,928.06 and 669,146.98

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Solution

The fourth proportional to 1,213,010.74, 1,673,928.06 and 669,146.98 is: 923,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,010.74 : 1,673,928.06 = 669,146.98 : x
  2. Step 2: Convert to fraction form
    1,213,010.74/1,673,928.06 = 669,146.98/x
  3. Step 3: Cross multiply
    1,213,010.74x = 1,673,928.06 × 669,146.98
  4. Step 4: Simplify right side
    1,213,010.74x = 1,120,103,906,086.26
  5. Step 5: Solve for x
    x = 1,120,103,906,086.26/1,213,010.74
  6. Step 6: Final answer
    x = 923,408.07

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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.