Home / 1,228,240.99-1,842,580.22-418,580.51

Finding the Fourth Proportional to 1,228,240.99, 1,842,580.22 and 418,580.51

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Solution

The fourth proportional to 1,228,240.99, 1,842,580.22 and 418,580.51 is: 627,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,240.99 : 1,842,580.22 = 418,580.51 : x
  2. Step 2: Convert to fraction form
    1,228,240.99/1,842,580.22 = 418,580.51/x
  3. Step 3: Cross multiply
    1,228,240.99x = 1,842,580.22 × 418,580.51
  4. Step 4: Simplify right side
    1,228,240.99x = 771,268,170,717.06
  5. Step 5: Solve for x
    x = 771,268,170,717.06/1,228,240.99
  6. Step 6: Final answer
    x = 627,945.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.