Finding the Fourth Proportional to 1,419,407.13, 1,958,519.86 and 807,524.18
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Solution
The fourth proportional to 1,419,407.13, 1,958,519.86 and 807,524.18 is: 1,114,234.32
Step by Step Solution
- Step 1: Write the proportion equation
1,419,407.13 : 1,958,519.86 = 807,524.18 : x - Step 2: Convert to fraction form
1,419,407.13/1,958,519.86 = 807,524.18/x - Step 3: Cross multiply
1,419,407.13x = 1,958,519.86 × 807,524.18 - Step 4: Simplify right side
1,419,407.13x = 1,581,552,132,148.81 - Step 5: Solve for x
x = 1,581,552,132,148.81/1,419,407.13 - Step 6: Final answer
x = 1,114,234.32
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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.