Finding the Fourth Proportional to 1,274,514.28, 1,758,623.91 and 730,549.97
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Solution
The fourth proportional to 1,274,514.28, 1,758,623.91 and 730,549.97 is: 1,008,040.99
Step by Step Solution
- Step 1: Write the proportion equation
1,274,514.28 : 1,758,623.91 = 730,549.97 : x - Step 2: Convert to fraction form
1,274,514.28/1,758,623.91 = 730,549.97/x - Step 3: Cross multiply
1,274,514.28x = 1,758,623.91 × 730,549.97 - Step 4: Simplify right side
1,274,514.28x = 1,284,762,639,753.94 - Step 5: Solve for x
x = 1,284,762,639,753.94/1,274,514.28 - Step 6: Final answer
x = 1,008,040.99
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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.