Finding the Fourth Proportional to 1,351,559.88, 1,865,157.60 and 731,365.08
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Solution
The fourth proportional to 1,351,559.88, 1,865,157.60 and 731,365.08 is: 1,009,286.50
Step by Step Solution
- Step 1: Write the proportion equation
1,351,559.88 : 1,865,157.60 = 731,365.08 : x - Step 2: Convert to fraction form
1,351,559.88/1,865,157.60 = 731,365.08/x - Step 3: Cross multiply
1,351,559.88x = 1,865,157.60 × 731,365.08 - Step 4: Simplify right side
1,351,559.88x = 1,364,111,137,336.61 - Step 5: Solve for x
x = 1,364,111,137,336.61/1,351,559.88 - Step 6: Final answer
x = 1,009,286.50
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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.