Finding the Fourth Proportional to 1,435,665.26, 1,981,305.07 and 791,084.68
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Solution
The fourth proportional to 1,435,665.26, 1,981,305.07 and 791,084.68 is: 1,091,744.80
Step by Step Solution
- Step 1: Write the proportion equation
1,435,665.26 : 1,981,305.07 = 791,084.68 : x - Step 2: Convert to fraction form
1,435,665.26/1,981,305.07 = 791,084.68/x - Step 3: Cross multiply
1,435,665.26x = 1,981,305.07 × 791,084.68 - Step 4: Simplify right side
1,435,665.26x = 1,567,380,080,352.35 - Step 5: Solve for x
x = 1,567,380,080,352.35/1,435,665.26 - Step 6: Final answer
x = 1,091,744.80
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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.