Finding the Fourth Proportional to 1,167,328.80, 1,611,272.64 and 684,049.59
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Solution
The fourth proportional to 1,167,328.80, 1,611,272.64 and 684,049.59 is: 944,198.75
Step by Step Solution
- Step 1: Write the proportion equation
1,167,328.80 : 1,611,272.64 = 684,049.59 : x - Step 2: Convert to fraction form
1,167,328.80/1,611,272.64 = 684,049.59/x - Step 3: Cross multiply
1,167,328.80x = 1,611,272.64 × 684,049.59 - Step 4: Simplify right side
1,167,328.80x = 1,102,190,388,770.22 - Step 5: Solve for x
x = 1,102,190,388,770.22/1,167,328.80 - Step 6: Final answer
x = 944,198.75
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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.