Finding the Fourth Proportional to 1,283,481.68, 1,770,648.59 and 773,900.96
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Solution
The fourth proportional to 1,283,481.68, 1,770,648.59 and 773,900.96 is: 1,067,647.99
Step by Step Solution
- Step 1: Write the proportion equation
1,283,481.68 : 1,770,648.59 = 773,900.96 : x - Step 2: Convert to fraction form
1,283,481.68/1,770,648.59 = 773,900.96/x - Step 3: Cross multiply
1,283,481.68x = 1,770,648.59 × 773,900.96 - Step 4: Simplify right side
1,283,481.68x = 1,370,306,636,705.16 - Step 5: Solve for x
x = 1,370,306,636,705.16/1,283,481.68 - Step 6: Final answer
x = 1,067,647.99
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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.