Finding the Fourth Proportional to 1,302,020.66, 1,796,802.88 and 721,252.68
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Solution
The fourth proportional to 1,302,020.66, 1,796,802.88 and 721,252.68 is: 995,336.66
Step by Step Solution
- Step 1: Write the proportion equation
1,302,020.66 : 1,796,802.88 = 721,252.68 : x - Step 2: Convert to fraction form
1,302,020.66/1,796,802.88 = 721,252.68/x - Step 3: Cross multiply
1,302,020.66x = 1,796,802.88 × 721,252.68 - Step 4: Simplify right side
1,302,020.66x = 1,295,948,892,631.72 - Step 5: Solve for x
x = 1,295,948,892,631.72/1,302,020.66 - Step 6: Final answer
x = 995,336.66
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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.