Finding the Fourth Proportional to 1,080,174.18, 1,621,278.23 and 548,077.08
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Solution
The fourth proportional to 1,080,174.18, 1,621,278.23 and 548,077.08 is: 822,631.63
Step by Step Solution
- Step 1: Write the proportion equation
1,080,174.18 : 1,621,278.23 = 548,077.08 : x - Step 2: Convert to fraction form
1,080,174.18/1,621,278.23 = 548,077.08/x - Step 3: Cross multiply
1,080,174.18x = 1,621,278.23 × 548,077.08 - Step 4: Simplify right side
1,080,174.18x = 888,585,444,588.31 - Step 5: Solve for x
x = 888,585,444,588.31/1,080,174.18 - Step 6: Final answer
x = 822,631.63
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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.