Home / 1,213,429.52-1,674,530.74-669,564.88

Finding the Fourth Proportional to 1,213,429.52, 1,674,530.74 and 669,564.88

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Solution

The fourth proportional to 1,213,429.52, 1,674,530.74 and 669,564.88 is: 923,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,429.52 : 1,674,530.74 = 669,564.88 : x
  2. Step 2: Convert to fraction form
    1,213,429.52/1,674,530.74 = 669,564.88/x
  3. Step 3: Cross multiply
    1,213,429.52x = 1,674,530.74 × 669,564.88
  4. Step 4: Simplify right side
    1,213,429.52x = 1,121,206,973,984.41
  5. Step 5: Solve for x
    x = 1,121,206,973,984.41/1,213,429.52
  6. Step 6: Final answer
    x = 923,998.43

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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.