Home / 1,213,427.21-1,674,527.56-669,562.57

Finding the Fourth Proportional to 1,213,427.21, 1,674,527.56 and 669,562.57

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Solution

The fourth proportional to 1,213,427.21, 1,674,527.56 and 669,562.57 is: 923,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,427.21 : 1,674,527.56 = 669,562.57 : x
  2. Step 2: Convert to fraction form
    1,213,427.21/1,674,527.56 = 669,562.57/x
  3. Step 3: Cross multiply
    1,213,427.21x = 1,674,527.56 × 669,562.57
  4. Step 4: Simplify right side
    1,213,427.21x = 1,121,200,970,749.20
  5. Step 5: Solve for x
    x = 1,121,200,970,749.20/1,213,427.21
  6. Step 6: Final answer
    x = 923,995.24

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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.