Home / 1,228,251.36-1,843,412.22-518,788.56

Finding the Fourth Proportional to 1,228,251.36, 1,843,412.22 and 518,788.56

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Solution

The fourth proportional to 1,228,251.36, 1,843,412.22 and 518,788.56 is: 778,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,251.36 : 1,843,412.22 = 518,788.56 : x
  2. Step 2: Convert to fraction form
    1,228,251.36/1,843,412.22 = 518,788.56/x
  3. Step 3: Cross multiply
    1,228,251.36x = 1,843,412.22 × 518,788.56
  4. Step 4: Simplify right side
    1,228,251.36x = 956,341,171,100.20
  5. Step 5: Solve for x
    x = 956,341,171,100.20/1,228,251.36
  6. Step 6: Final answer
    x = 778,620.08

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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.