Home / 1,213,241.85-1,674,279.63-669,377.61

Finding the Fourth Proportional to 1,213,241.85, 1,674,279.63 and 669,377.61

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Solution

The fourth proportional to 1,213,241.85, 1,674,279.63 and 669,377.61 is: 923,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,241.85 : 1,674,279.63 = 669,377.61 : x
  2. Step 2: Convert to fraction form
    1,213,241.85/1,674,279.63 = 669,377.61/x
  3. Step 3: Cross multiply
    1,213,241.85x = 1,674,279.63 × 669,377.61
  4. Step 4: Simplify right side
    1,213,241.85x = 1,120,725,297,201.08
  5. Step 5: Solve for x
    x = 1,120,725,297,201.08/1,213,241.85
  6. Step 6: Final answer
    x = 923,744.34

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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.