Finding the Fourth Proportional to 1,229,740.23, 1,844,558.00 and 420,197.39
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Solution
The fourth proportional to 1,229,740.23, 1,844,558.00 and 420,197.39 is: 630,278.19
Step by Step Solution
- Step 1: Write the proportion equation
1,229,740.23 : 1,844,558.00 = 420,197.39 : x - Step 2: Convert to fraction form
1,229,740.23/1,844,558.00 = 420,197.39/x - Step 3: Cross multiply
1,229,740.23x = 1,844,558.00 × 420,197.39 - Step 4: Simplify right side
1,229,740.23x = 775,078,445,979.84 - Step 5: Solve for x
x = 775,078,445,979.84/1,229,740.23 - Step 6: Final answer
x = 630,278.19
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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.