Home / 1,212,897.26-1,673,809.90-669,055.97

Finding the Fourth Proportional to 1,212,897.26, 1,673,809.90 and 669,055.97

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Solution

The fourth proportional to 1,212,897.26, 1,673,809.90 and 669,055.97 is: 923,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,897.26 : 1,673,809.90 = 669,055.97 : x
  2. Step 2: Convert to fraction form
    1,212,897.26/1,673,809.90 = 669,055.97/x
  3. Step 3: Cross multiply
    1,212,897.26x = 1,673,809.90 × 669,055.97
  4. Step 4: Simplify right side
    1,212,897.26x = 1,119,872,508,751.99
  5. Step 5: Solve for x
    x = 1,119,872,508,751.99/1,212,897.26
  6. Step 6: Final answer
    x = 923,303.68

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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.