Finding the Fourth Proportional to 1,010,414.84, 1,394,406.25 and 551,556.62
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Solution
The fourth proportional to 1,010,414.84, 1,394,406.25 and 551,556.62 is: 761,166.56
Step by Step Solution
- Step 1: Write the proportion equation
1,010,414.84 : 1,394,406.25 = 551,556.62 : x - Step 2: Convert to fraction form
1,010,414.84/1,394,406.25 = 551,556.62/x - Step 3: Cross multiply
1,010,414.84x = 1,394,406.25 × 551,556.62 - Step 4: Simplify right side
1,010,414.84x = 769,093,994,991.31 - Step 5: Solve for x
x = 769,093,994,991.31/1,010,414.84 - Step 6: Final answer
x = 761,166.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.