Finding the Fourth Proportional to 1,424,516.84, 1,965,755.36 and 779,812.34
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Solution
The fourth proportional to 1,424,516.84, 1,965,755.36 and 779,812.34 is: 1,076,098.40
Step by Step Solution
- Step 1: Write the proportion equation
1,424,516.84 : 1,965,755.36 = 779,812.34 : x - Step 2: Convert to fraction form
1,424,516.84/1,965,755.36 = 779,812.34/x - Step 3: Cross multiply
1,424,516.84x = 1,965,755.36 × 779,812.34 - Step 4: Simplify right side
1,424,516.84x = 1,532,920,287,149.14 - Step 5: Solve for x
x = 1,532,920,287,149.14/1,424,516.84 - Step 6: Final answer
x = 1,076,098.40
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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.