Finding the Fourth Proportional to 1,520,678.76, 2,281,524.84 and 509,900.64
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Solution
The fourth proportional to 1,520,678.76, 2,281,524.84 and 509,900.64 is: 765,020.86
Step by Step Solution
- Step 1: Write the proportion equation
1,520,678.76 : 2,281,524.84 = 509,900.64 : x - Step 2: Convert to fraction form
1,520,678.76/2,281,524.84 = 509,900.64/x - Step 3: Cross multiply
1,520,678.76x = 2,281,524.84 × 509,900.64 - Step 4: Simplify right side
1,520,678.76x = 1,163,350,976,091.90 - Step 5: Solve for x
x = 1,163,350,976,091.90/1,520,678.76 - Step 6: Final answer
x = 765,020.86
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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.