Finding the Fourth Proportional to 1,276,768.80, 1,915,079.44 and 467,699.12
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Solution
The fourth proportional to 1,276,768.80, 1,915,079.44 and 467,699.12 is: 701,521.66
Step by Step Solution
- Step 1: Write the proportion equation
1,276,768.80 : 1,915,079.44 = 467,699.12 : x - Step 2: Convert to fraction form
1,276,768.80/1,915,079.44 = 467,699.12/x - Step 3: Cross multiply
1,276,768.80x = 1,915,079.44 × 467,699.12 - Step 4: Simplify right side
1,276,768.80x = 895,680,968,818.09 - Step 5: Solve for x
x = 895,680,968,818.09/1,276,768.80 - Step 6: Final answer
x = 701,521.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.