Finding the Fourth Proportional to 1,267,514.99, 1,901,275.73 and 320,885.81
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Solution
The fourth proportional to 1,267,514.99, 1,901,275.73 and 320,885.81 is: 481,329.54
Step by Step Solution
- Step 1: Write the proportion equation
1,267,514.99 : 1,901,275.73 = 320,885.81 : x - Step 2: Convert to fraction form
1,267,514.99/1,901,275.73 = 320,885.81/x - Step 3: Cross multiply
1,267,514.99x = 1,901,275.73 × 320,885.81 - Step 4: Simplify right side
1,267,514.99x = 610,092,401,049.96 - Step 5: Solve for x
x = 610,092,401,049.96/1,267,514.99 - Step 6: Final answer
x = 481,329.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.