Finding the Fourth Proportional to 1,080,530.82, 1,620,865.35 and 415,682.82
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Solution
The fourth proportional to 1,080,530.82, 1,620,865.35 and 415,682.82 is: 623,550.82
Step by Step Solution
- Step 1: Write the proportion equation
1,080,530.82 : 1,620,865.35 = 415,682.82 : x - Step 2: Convert to fraction form
1,080,530.82/1,620,865.35 = 415,682.82/x - Step 3: Cross multiply
1,080,530.82x = 1,620,865.35 × 415,682.82 - Step 4: Simplify right side
1,080,530.82x = 673,765,879,528.29 - Step 5: Solve for x
x = 673,765,879,528.29/1,080,530.82 - Step 6: Final answer
x = 623,550.82
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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.