Finding the Fourth Proportional to 1,086,792.12, 1,629,663.84 and 455,536.44
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Solution
The fourth proportional to 1,086,792.12, 1,629,663.84 and 455,536.44 is: 683,084.88
Step by Step Solution
- Step 1: Write the proportion equation
1,086,792.12 : 1,629,663.84 = 455,536.44 : x - Step 2: Convert to fraction form
1,086,792.12/1,629,663.84 = 455,536.44/x - Step 3: Cross multiply
1,086,792.12x = 1,629,663.84 × 455,536.44 - Step 4: Simplify right side
1,086,792.12x = 742,371,264,070.33 - Step 5: Solve for x
x = 742,371,264,070.33/1,086,792.12 - Step 6: Final answer
x = 683,084.88
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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.