Home / 1,213,005.24-1,673,920.49-669,141.47

Finding the Fourth Proportional to 1,213,005.24, 1,673,920.49 and 669,141.47

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Solution

The fourth proportional to 1,213,005.24, 1,673,920.49 and 669,141.47 is: 923,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,005.24 : 1,673,920.49 = 669,141.47 : x
  2. Step 2: Convert to fraction form
    1,213,005.24/1,673,920.49 = 669,141.47/x
  3. Step 3: Cross multiply
    1,213,005.24x = 1,673,920.49 × 669,141.47
  4. Step 4: Simplify right side
    1,213,005.24x = 1,120,089,618,180.81
  5. Step 5: Solve for x
    x = 1,120,089,618,180.81/1,213,005.24
  6. Step 6: Final answer
    x = 923,400.48

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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.