Finding the Fourth Proportional to 1,080,435.36, 1,621,669.98 and 548,338.26
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Solution
The fourth proportional to 1,080,435.36, 1,621,669.98 and 548,338.26 is: 823,023.50
Step by Step Solution
- Step 1: Write the proportion equation
1,080,435.36 : 1,621,669.98 = 548,338.26 : x - Step 2: Convert to fraction form
1,080,435.36/1,621,669.98 = 548,338.26/x - Step 3: Cross multiply
1,080,435.36x = 1,621,669.98 × 548,338.26 - Step 4: Simplify right side
1,080,435.36x = 889,223,695,127.44 - Step 5: Solve for x
x = 889,223,695,127.44/1,080,435.36 - Step 6: Final answer
x = 823,023.50
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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.