Finding the Fourth Proportional to 1,080,804.29, 1,621,290.12 and 361,148.49
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Solution
The fourth proportional to 1,080,804.29, 1,621,290.12 and 361,148.49 is: 541,750.70
Step by Step Solution
- Step 1: Write the proportion equation
1,080,804.29 : 1,621,290.12 = 361,148.49 : x - Step 2: Convert to fraction form
1,080,804.29/1,621,290.12 = 361,148.49/x - Step 3: Cross multiply
1,080,804.29x = 1,621,290.12 × 361,148.49 - Step 4: Simplify right side
1,080,804.29x = 585,526,478,689.92 - Step 5: Solve for x
x = 585,526,478,689.92/1,080,804.29 - Step 6: Final answer
x = 541,750.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.