Finding the Fourth Proportional to 1,107,053.16, 1,654,514.20 and 808,163.16
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Solution
The fourth proportional to 1,107,053.16, 1,654,514.20 and 808,163.16 is: 1,207,816.82
Step by Step Solution
- Step 1: Write the proportion equation
1,107,053.16 : 1,654,514.20 = 808,163.16 : x - Step 2: Convert to fraction form
1,107,053.16/1,654,514.20 = 808,163.16/x - Step 3: Cross multiply
1,107,053.16x = 1,654,514.20 × 808,163.16 - Step 4: Simplify right side
1,107,053.16x = 1,337,117,424,136.87 - Step 5: Solve for x
x = 1,337,117,424,136.87/1,107,053.16 - Step 6: Final answer
x = 1,207,816.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.