Finding the Fourth Proportional to 1,229,736.35, 1,844,552.18 and 420,193.51
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Solution
The fourth proportional to 1,229,736.35, 1,844,552.18 and 420,193.51 is: 630,272.37
Step by Step Solution
- Step 1: Write the proportion equation
1,229,736.35 : 1,844,552.18 = 420,193.51 : x - Step 2: Convert to fraction form
1,229,736.35/1,844,552.18 = 420,193.51/x - Step 3: Cross multiply
1,229,736.35x = 1,844,552.18 × 420,193.51 - Step 4: Simplify right side
1,229,736.35x = 775,068,851,331.46 - Step 5: Solve for x
x = 775,068,851,331.46/1,229,736.35 - Step 6: Final answer
x = 630,272.37
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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.