Finding the Fourth Proportional to 1,165,398.84, 1,608,373.26 and 682,120.44
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Solution
The fourth proportional to 1,165,398.84, 1,608,373.26 and 682,120.44 is: 941,398.12
Step by Step Solution
- Step 1: Write the proportion equation
1,165,398.84 : 1,608,373.26 = 682,120.44 : x - Step 2: Convert to fraction form
1,165,398.84/1,608,373.26 = 682,120.44/x - Step 3: Cross multiply
1,165,398.84x = 1,608,373.26 × 682,120.44 - Step 4: Simplify right side
1,165,398.84x = 1,097,104,275,795.43 - Step 5: Solve for x
x = 1,097,104,275,795.43/1,165,398.84 - Step 6: Final answer
x = 941,398.12
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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.