Finding the Fourth Proportional to 1,351,986.63, 1,865,741.57 and 748,374.63
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Solution
The fourth proportional to 1,351,986.63, 1,865,741.57 and 748,374.63 is: 1,032,757.00
Step by Step Solution
- Step 1: Write the proportion equation
1,351,986.63 : 1,865,741.57 = 748,374.63 : x - Step 2: Convert to fraction form
1,351,986.63/1,865,741.57 = 748,374.63/x - Step 3: Cross multiply
1,351,986.63x = 1,865,741.57 × 748,374.63 - Step 4: Simplify right side
1,351,986.63x = 1,396,273,657,124.37 - Step 5: Solve for x
x = 1,396,273,657,124.37/1,351,986.63 - Step 6: Final answer
x = 1,032,757.00
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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.