Finding the Fourth Proportional to 1,117,297.21, 1,676,112.57 and 518,318.92
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Solution
The fourth proportional to 1,117,297.21, 1,676,112.57 and 518,318.92 is: 777,555.74
Step by Step Solution
- Step 1: Write the proportion equation
1,117,297.21 : 1,676,112.57 = 518,318.92 : x - Step 2: Convert to fraction form
1,117,297.21/1,676,112.57 = 518,318.92/x - Step 3: Cross multiply
1,117,297.21x = 1,676,112.57 × 518,318.92 - Step 4: Simplify right side
1,117,297.21x = 868,760,852,890.54 - Step 5: Solve for x
x = 868,760,852,890.54/1,117,297.21 - Step 6: Final answer
x = 777,555.74
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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.