Home / 1,212,896.64-1,673,809.04-669,055.35

Finding the Fourth Proportional to 1,212,896.64, 1,673,809.04 and 669,055.35

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Solution

The fourth proportional to 1,212,896.64, 1,673,809.04 and 669,055.35 is: 923,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,896.64 : 1,673,809.04 = 669,055.35 : x
  2. Step 2: Convert to fraction form
    1,212,896.64/1,673,809.04 = 669,055.35/x
  3. Step 3: Cross multiply
    1,212,896.64x = 1,673,809.04 × 669,055.35
  4. Step 4: Simplify right side
    1,212,896.64x = 1,119,870,889,745.09
  5. Step 5: Solve for x
    x = 1,119,870,889,745.09/1,212,896.64
  6. Step 6: Final answer
    x = 923,302.82

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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.