Finding the Fourth Proportional to 1,382,403.08, 1,907,724.88 and 770,594.70
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Solution
The fourth proportional to 1,382,403.08, 1,907,724.88 and 770,594.70 is: 1,063,425.50
Step by Step Solution
- Step 1: Write the proportion equation
1,382,403.08 : 1,907,724.88 = 770,594.70 : x - Step 2: Convert to fraction form
1,382,403.08/1,907,724.88 = 770,594.70/x - Step 3: Cross multiply
1,382,403.08x = 1,907,724.88 × 770,594.70 - Step 4: Simplify right side
1,382,403.08x = 1,470,082,681,586.14 - Step 5: Solve for x
x = 1,470,082,681,586.14/1,382,403.08 - Step 6: Final answer
x = 1,063,425.50
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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.