Home / 1,213,354.92-1,674,464.83-669,525.72

Finding the Fourth Proportional to 1,213,354.92, 1,674,464.83 and 669,525.72

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Solution

The fourth proportional to 1,213,354.92, 1,674,464.83 and 669,525.72 is: 923,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,354.92 : 1,674,464.83 = 669,525.72 : x
  2. Step 2: Convert to fraction form
    1,213,354.92/1,674,464.83 = 669,525.72/x
  3. Step 3: Cross multiply
    1,213,354.92x = 1,674,464.83 × 669,525.72
  4. Step 4: Simplify right side
    1,213,354.92x = 1,121,097,278,978.71
  5. Step 5: Solve for x
    x = 1,121,097,278,978.71/1,213,354.92
  6. Step 6: Final answer
    x = 923,964.84

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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.