Finding the Fourth Proportional to 1,256,939.84, 1,885,413.63 and 310,310.66
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Solution
The fourth proportional to 1,256,939.84, 1,885,413.63 and 310,310.66 is: 465,466.95
Step by Step Solution
- Step 1: Write the proportion equation
1,256,939.84 : 1,885,413.63 = 310,310.66 : x - Step 2: Convert to fraction form
1,256,939.84/1,885,413.63 = 310,310.66/x - Step 3: Cross multiply
1,256,939.84x = 1,885,413.63 × 310,310.66 - Step 4: Simplify right side
1,256,939.84x = 585,063,947,898.30 - Step 5: Solve for x
x = 585,063,947,898.30/1,256,939.84 - Step 6: Final answer
x = 465,466.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.