Finding the Fourth Proportional to 1,256,680.98, 1,734,227.01 and 683,725.05
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Solution
The fourth proportional to 1,256,680.98, 1,734,227.01 and 683,725.05 is: 943,544.52
Step by Step Solution
- Step 1: Write the proportion equation
1,256,680.98 : 1,734,227.01 = 683,725.05 : x - Step 2: Convert to fraction form
1,256,680.98/1,734,227.01 = 683,725.05/x - Step 3: Cross multiply
1,256,680.98x = 1,734,227.01 × 683,725.05 - Step 4: Simplify right side
1,256,680.98x = 1,185,734,449,123.60 - Step 5: Solve for x
x = 1,185,734,449,123.60/1,256,680.98 - Step 6: Final answer
x = 943,544.52
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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.