Finding the Fourth Proportional to 1,013,944.80, 1,397,753.08 and 771,805.62
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Solution
The fourth proportional to 1,013,944.80, 1,397,753.08 and 771,805.62 is: 1,063,957.01
Step by Step Solution
- Step 1: Write the proportion equation
1,013,944.80 : 1,397,753.08 = 771,805.62 : x - Step 2: Convert to fraction form
1,013,944.80/1,397,753.08 = 771,805.62/x - Step 3: Cross multiply
1,013,944.80x = 1,397,753.08 × 771,805.62 - Step 4: Simplify right side
1,013,944.80x = 1,078,793,682,516.31 - Step 5: Solve for x
x = 1,078,793,682,516.31/1,013,944.80 - Step 6: Final answer
x = 1,063,957.01
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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.