Finding the Fourth Proportional to 1,351,632.88, 1,865,052.70 and 820,927.94
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Solution
The fourth proportional to 1,351,632.88, 1,865,052.70 and 820,927.94 is: 1,132,758.68
Step by Step Solution
- Step 1: Write the proportion equation
1,351,632.88 : 1,865,052.70 = 820,927.94 : x - Step 2: Convert to fraction form
1,351,632.88/1,865,052.70 = 820,927.94/x - Step 3: Cross multiply
1,351,632.88x = 1,865,052.70 × 820,927.94 - Step 4: Simplify right side
1,351,632.88x = 1,531,073,871,002.44 - Step 5: Solve for x
x = 1,531,073,871,002.44/1,351,632.88 - Step 6: Final answer
x = 1,132,758.68
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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.