Home / 1,121,991.33-1,548,460.08-669,282.33

Finding the Fourth Proportional to 1,121,991.33, 1,548,460.08 and 669,282.33

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Solution

The fourth proportional to 1,121,991.33, 1,548,460.08 and 669,282.33 is: 923,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,991.33 : 1,548,460.08 = 669,282.33 : x
  2. Step 2: Convert to fraction form
    1,121,991.33/1,548,460.08 = 669,282.33/x
  3. Step 3: Cross multiply
    1,121,991.33x = 1,548,460.08 × 669,282.33
  4. Step 4: Simplify right side
    1,121,991.33x = 1,036,356,970,254.39
  5. Step 5: Solve for x
    x = 1,036,356,970,254.39/1,121,991.33
  6. Step 6: Final answer
    x = 923,676.45

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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.