Home / 1,212,929.52-1,673,813.88-669,053.76

Finding the Fourth Proportional to 1,212,929.52, 1,673,813.88 and 669,053.76

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Solution

The fourth proportional to 1,212,929.52, 1,673,813.88 and 669,053.76 is: 923,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,929.52 : 1,673,813.88 = 669,053.76 : x
  2. Step 2: Convert to fraction form
    1,212,929.52/1,673,813.88 = 669,053.76/x
  3. Step 3: Cross multiply
    1,212,929.52x = 1,673,813.88 × 669,053.76
  4. Step 4: Simplify right side
    1,212,929.52x = 1,119,871,469,954.19
  5. Step 5: Solve for x
    x = 1,119,871,469,954.19/1,212,929.52
  6. Step 6: Final answer
    x = 923,278.27

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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.