Finding the Fourth Proportional to 1,169,514.26, 1,613,943.12 and 686,087.63
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Solution
The fourth proportional to 1,169,514.26, 1,613,943.12 and 686,087.63 is: 946,808.81
Step by Step Solution
- Step 1: Write the proportion equation
1,169,514.26 : 1,613,943.12 = 686,087.63 : x - Step 2: Convert to fraction form
1,169,514.26/1,613,943.12 = 686,087.63/x - Step 3: Cross multiply
1,169,514.26x = 1,613,943.12 × 686,087.63 - Step 4: Simplify right side
1,169,514.26x = 1,107,306,402,085.89 - Step 5: Solve for x
x = 1,107,306,402,085.89/1,169,514.26 - Step 6: Final answer
x = 946,808.81
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1.5x scale
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.