Finding the Fourth Proportional to 1,131,083.18, 1,696,609.84 and 278,162.20
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Solution
The fourth proportional to 1,131,083.18, 1,696,609.84 and 278,162.20 is: 417,239.63
Step by Step Solution
- Step 1: Write the proportion equation
1,131,083.18 : 1,696,609.84 = 278,162.20 : x - Step 2: Convert to fraction form
1,131,083.18/1,696,609.84 = 278,162.20/x - Step 3: Cross multiply
1,131,083.18x = 1,696,609.84 × 278,162.20 - Step 4: Simplify right side
1,131,083.18x = 471,932,725,636.05 - Step 5: Solve for x
x = 471,932,725,636.05/1,131,083.18 - Step 6: Final answer
x = 417,239.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.