Finding the Fourth Proportional to 1,382,310.90, 1,907,676.36 and 838,497.96
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Solution
The fourth proportional to 1,382,310.90, 1,907,676.36 and 838,497.96 is: 1,157,180.15
Step by Step Solution
- Step 1: Write the proportion equation
1,382,310.90 : 1,907,676.36 = 838,497.96 : x - Step 2: Convert to fraction form
1,382,310.90/1,907,676.36 = 838,497.96/x - Step 3: Cross multiply
1,382,310.90x = 1,907,676.36 × 838,497.96 - Step 4: Simplify right side
1,382,310.90x = 1,599,582,736,200.23 - Step 5: Solve for x
x = 1,599,582,736,200.23/1,382,310.90 - Step 6: Final answer
x = 1,157,180.15
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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.