Home / 1,361,528.82-2,042,514.90-402,081.48

Finding the Fourth Proportional to 1,361,528.82, 2,042,514.90 and 402,081.48

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Solution

The fourth proportional to 1,361,528.82, 2,042,514.90 and 402,081.48 is: 603,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,528.82 : 2,042,514.90 = 402,081.48 : x
  2. Step 2: Convert to fraction form
    1,361,528.82/2,042,514.90 = 402,081.48/x
  3. Step 3: Cross multiply
    1,361,528.82x = 2,042,514.90 × 402,081.48
  4. Step 4: Simplify right side
    1,361,528.82x = 821,257,413,914.05
  5. Step 5: Solve for x
    x = 821,257,413,914.05/1,361,528.82
  6. Step 6: Final answer
    x = 603,187.68

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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.