Finding the Fourth Proportional to 1,261,692.71, 1,741,113.46 and 717,816.79
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Solution
The fourth proportional to 1,261,692.71, 1,741,113.46 and 717,816.79 is: 990,574.38
Step by Step Solution
- Step 1: Write the proportion equation
1,261,692.71 : 1,741,113.46 = 717,816.79 : x - Step 2: Convert to fraction form
1,261,692.71/1,741,113.46 = 717,816.79/x - Step 3: Cross multiply
1,261,692.71x = 1,741,113.46 × 717,816.79 - Step 4: Simplify right side
1,261,692.71x = 1,249,800,474,882.99 - Step 5: Solve for x
x = 1,249,800,474,882.99/1,261,692.71 - Step 6: Final answer
x = 990,574.38
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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.