Home / 1,212,952.42-1,673,844.78-669,076.30

Finding the Fourth Proportional to 1,212,952.42, 1,673,844.78 and 669,076.30

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Solution

The fourth proportional to 1,212,952.42, 1,673,844.78 and 669,076.30 is: 923,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,952.42 : 1,673,844.78 = 669,076.30 : x
  2. Step 2: Convert to fraction form
    1,212,952.42/1,673,844.78 = 669,076.30/x
  3. Step 3: Cross multiply
    1,212,952.42x = 1,673,844.78 × 669,076.30
  4. Step 4: Simplify right side
    1,212,952.42x = 1,119,929,872,176.71
  5. Step 5: Solve for x
    x = 1,119,929,872,176.71/1,212,952.42
  6. Step 6: Final answer
    x = 923,308.99

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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.