Finding the Fourth Proportional to 1,305,651.84, 1,956,902.88 and 674,221.44
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Solution
The fourth proportional to 1,305,651.84, 1,956,902.88 and 674,221.44 is: 1,010,518.91
Step by Step Solution
- Step 1: Write the proportion equation
1,305,651.84 : 1,956,902.88 = 674,221.44 : x - Step 2: Convert to fraction form
1,305,651.84/1,956,902.88 = 674,221.44/x - Step 3: Cross multiply
1,305,651.84x = 1,956,902.88 × 674,221.44 - Step 4: Simplify right side
1,305,651.84x = 1,319,385,877,693.75 - Step 5: Solve for x
x = 1,319,385,877,693.75/1,305,651.84 - Step 6: Final answer
x = 1,010,518.91
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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.