Finding the Fourth Proportional to 1,278,497.03, 1,764,368.27 and 697,751.94
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Solution
The fourth proportional to 1,278,497.03, 1,764,368.27 and 697,751.94 is: 962,920.80
Step by Step Solution
- Step 1: Write the proportion equation
1,278,497.03 : 1,764,368.27 = 697,751.94 : x - Step 2: Convert to fraction form
1,278,497.03/1,764,368.27 = 697,751.94/x - Step 3: Cross multiply
1,278,497.03x = 1,764,368.27 × 697,751.94 - Step 4: Simplify right side
1,278,497.03x = 1,231,091,383,266.94 - Step 5: Solve for x
x = 1,231,091,383,266.94/1,278,497.03 - Step 6: Final answer
x = 962,920.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.