Finding the Fourth Proportional to 1,378,369.14, 2,066,203.86 and 771,453.84
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Solution
The fourth proportional to 1,378,369.14, 2,066,203.86 and 771,453.84 is: 1,156,425.27
Step by Step Solution
- Step 1: Write the proportion equation
1,378,369.14 : 2,066,203.86 = 771,453.84 : x - Step 2: Convert to fraction form
1,378,369.14/2,066,203.86 = 771,453.84/x - Step 3: Cross multiply
1,378,369.14x = 2,066,203.86 × 771,453.84 - Step 4: Simplify right side
1,378,369.14x = 1,593,980,902,019.82 - Step 5: Solve for x
x = 1,593,980,902,019.82/1,378,369.14 - Step 6: Final answer
x = 1,156,425.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.