Finding the Fourth Proportional to 1,424,836.46, 1,966,215.26 and 780,245.55
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Solution
The fourth proportional to 1,424,836.46, 1,966,215.26 and 780,245.55 is: 1,076,706.52
Step by Step Solution
- Step 1: Write the proportion equation
1,424,836.46 : 1,966,215.26 = 780,245.55 : x - Step 2: Convert to fraction form
1,424,836.46/1,966,215.26 = 780,245.55/x - Step 3: Cross multiply
1,424,836.46x = 1,966,215.26 × 780,245.55 - Step 4: Simplify right side
1,424,836.46x = 1,534,130,706,957.09 - Step 5: Solve for x
x = 1,534,130,706,957.09/1,424,836.46 - Step 6: Final answer
x = 1,076,706.52
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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.