Finding the Fourth Proportional to 1,374,589.98, 1,896,843.02 and 762,703.95
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Solution
The fourth proportional to 1,374,589.98, 1,896,843.02 and 762,703.95 is: 1,052,480.87
Step by Step Solution
- Step 1: Write the proportion equation
1,374,589.98 : 1,896,843.02 = 762,703.95 : x - Step 2: Convert to fraction form
1,374,589.98/1,896,843.02 = 762,703.95/x - Step 3: Cross multiply
1,374,589.98x = 1,896,843.02 × 762,703.95 - Step 4: Simplify right side
1,374,589.98x = 1,446,729,661,340.22 - Step 5: Solve for x
x = 1,446,729,661,340.22/1,374,589.98 - Step 6: Final answer
x = 1,052,480.87
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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.