Finding the Fourth Proportional to 1,351,541.34, 1,865,336.52 and 770,765.70
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Solution
The fourth proportional to 1,351,541.34, 1,865,336.52 and 770,765.70 is: 1,063,776.12
Step by Step Solution
- Step 1: Write the proportion equation
1,351,541.34 : 1,865,336.52 = 770,765.70 : x - Step 2: Convert to fraction form
1,351,541.34/1,865,336.52 = 770,765.70/x - Step 3: Cross multiply
1,351,541.34x = 1,865,336.52 × 770,765.70 - Step 4: Simplify right side
1,351,541.34x = 1,437,737,408,573.36 - Step 5: Solve for x
x = 1,437,737,408,573.36/1,351,541.34 - Step 6: Final answer
x = 1,063,776.12
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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.