Home / 1,238,859.48-1,858,074.96-328,055.05

Finding the Fourth Proportional to 1,238,859.48, 1,858,074.96 and 328,055.05

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Solution

The fourth proportional to 1,238,859.48, 1,858,074.96 and 328,055.05 is: 492,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,859.48 : 1,858,074.96 = 328,055.05 : x
  2. Step 2: Convert to fraction form
    1,238,859.48/1,858,074.96 = 328,055.05/x
  3. Step 3: Cross multiply
    1,238,859.48x = 1,858,074.96 × 328,055.05
  4. Step 4: Simplify right side
    1,238,859.48x = 609,550,873,906.55
  5. Step 5: Solve for x
    x = 609,550,873,906.55/1,238,859.48
  6. Step 6: Final answer
    x = 492,025.84

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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.