Finding the Fourth Proportional to 1,374,517.63, 1,896,747.87 and 830,331.28
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Solution
The fourth proportional to 1,374,517.63, 1,896,747.87 and 830,331.28 is: 1,145,804.94
Step by Step Solution
- Step 1: Write the proportion equation
1,374,517.63 : 1,896,747.87 = 830,331.28 : x - Step 2: Convert to fraction form
1,374,517.63/1,896,747.87 = 830,331.28/x - Step 3: Cross multiply
1,374,517.63x = 1,896,747.87 × 830,331.28 - Step 4: Simplify right side
1,374,517.63x = 1,574,929,086,734.37 - Step 5: Solve for x
x = 1,574,929,086,734.37/1,374,517.63 - Step 6: Final answer
x = 1,145,804.94
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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.