Finding the Fourth Proportional to 1,207,380.42, 1,811,331.99 and 365,995.62
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Solution
The fourth proportional to 1,207,380.42, 1,811,331.99 and 365,995.62 is: 549,072.66
Step by Step Solution
- Step 1: Write the proportion equation
1,207,380.42 : 1,811,331.99 = 365,995.62 : x - Step 2: Convert to fraction form
1,207,380.42/1,811,331.99 = 365,995.62/x - Step 3: Cross multiply
1,207,380.42x = 1,811,331.99 × 365,995.62 - Step 4: Simplify right side
1,207,380.42x = 662,939,574,705.88 - Step 5: Solve for x
x = 662,939,574,705.88/1,207,380.42 - Step 6: Final answer
x = 549,072.66
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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.