Finding the Fourth Proportional to 1,418,814.68, 1,957,948.12 and 774,245.84
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Solution
The fourth proportional to 1,418,814.68, 1,957,948.12 and 774,245.84 is: 1,068,450.45
Step by Step Solution
- Step 1: Write the proportion equation
1,418,814.68 : 1,957,948.12 = 774,245.84 : x - Step 2: Convert to fraction form
1,418,814.68/1,957,948.12 = 774,245.84/x - Step 3: Cross multiply
1,418,814.68x = 1,957,948.12 × 774,245.84 - Step 4: Simplify right side
1,418,814.68x = 1,515,933,186,845.82 - Step 5: Solve for x
x = 1,515,933,186,845.82/1,418,814.68 - Step 6: Final answer
x = 1,068,450.45
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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.