Finding the Fourth Proportional to 1,081,431.29, 1,492,345.63 and 597,979.91
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Solution
The fourth proportional to 1,081,431.29, 1,492,345.63 and 597,979.91 is: 825,195.94
Step by Step Solution
- Step 1: Write the proportion equation
1,081,431.29 : 1,492,345.63 = 597,979.91 : x - Step 2: Convert to fraction form
1,081,431.29/1,492,345.63 = 597,979.91/x - Step 3: Cross multiply
1,081,431.29x = 1,492,345.63 × 597,979.91 - Step 4: Simplify right side
1,081,431.29x = 892,392,705,516.29 - Step 5: Solve for x
x = 892,392,705,516.29/1,081,431.29 - Step 6: Final answer
x = 825,195.94
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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.