Finding the Fourth Proportional to 1,207,381.42, 1,811,333.49 and 365,996.62
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Solution
The fourth proportional to 1,207,381.42, 1,811,333.49 and 365,996.62 is: 549,074.16
Step by Step Solution
- Step 1: Write the proportion equation
1,207,381.42 : 1,811,333.49 = 365,996.62 : x - Step 2: Convert to fraction form
1,207,381.42/1,811,333.49 = 365,996.62/x - Step 3: Cross multiply
1,207,381.42x = 1,811,333.49 × 365,996.62 - Step 4: Simplify right side
1,207,381.42x = 662,941,935,032.80 - Step 5: Solve for x
x = 662,941,935,032.80/1,207,381.42 - Step 6: Final answer
x = 549,074.16
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1.5x scale
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.