Finding the Fourth Proportional to 1,379,394.64, 2,069,093.12 and 659,566.98
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Solution
The fourth proportional to 1,379,394.64, 2,069,093.12 and 659,566.98 is: 989,351.02
Step by Step Solution
- Step 1: Write the proportion equation
1,379,394.64 : 2,069,093.12 = 659,566.98 : x - Step 2: Convert to fraction form
1,379,394.64/2,069,093.12 = 659,566.98/x - Step 3: Cross multiply
1,379,394.64x = 2,069,093.12 × 659,566.98 - Step 4: Simplify right side
1,379,394.64x = 1,364,705,500,497.18 - Step 5: Solve for x
x = 1,364,705,500,497.18/1,379,394.64 - Step 6: Final answer
x = 989,351.02
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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.