Finding the Fourth Proportional to 1,261,517.98, 1,893,112.70 and 693,295.92
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Solution
The fourth proportional to 1,261,517.98, 1,893,112.70 and 693,295.92 is: 1,040,403.17
Step by Step Solution
- Step 1: Write the proportion equation
1,261,517.98 : 1,893,112.70 = 693,295.92 : x - Step 2: Convert to fraction form
1,261,517.98/1,893,112.70 = 693,295.92/x - Step 3: Cross multiply
1,261,517.98x = 1,893,112.70 × 693,295.92 - Step 4: Simplify right side
1,261,517.98x = 1,312,487,311,010.18 - Step 5: Solve for x
x = 1,312,487,311,010.18/1,261,517.98 - Step 6: Final answer
x = 1,040,403.17
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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.