Finding the Fourth Proportional to 1,413,805.84, 1,951,072.08 and 769,226.48
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Solution
The fourth proportional to 1,413,805.84, 1,951,072.08 and 769,226.48 is: 1,061,543.44
Step by Step Solution
- Step 1: Write the proportion equation
1,413,805.84 : 1,951,072.08 = 769,226.48 : x - Step 2: Convert to fraction form
1,413,805.84/1,951,072.08 = 769,226.48/x - Step 3: Cross multiply
1,413,805.84x = 1,951,072.08 × 769,226.48 - Step 4: Simplify right side
1,413,805.84x = 1,500,816,308,324.68 - Step 5: Solve for x
x = 1,500,816,308,324.68/1,413,805.84 - Step 6: Final answer
x = 1,061,543.44
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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.