Finding the Fourth Proportional to 1,026,163.09, 1,539,244.64 and 621,436.87
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Solution
The fourth proportional to 1,026,163.09, 1,539,244.64 and 621,436.87 is: 932,155.31
Step by Step Solution
- Step 1: Write the proportion equation
1,026,163.09 : 1,539,244.64 = 621,436.87 : x - Step 2: Convert to fraction form
1,026,163.09/1,539,244.64 = 621,436.87/x - Step 3: Cross multiply
1,026,163.09x = 1,539,244.64 × 621,436.87 - Step 4: Simplify right side
1,026,163.09x = 956,543,371,245.88 - Step 5: Solve for x
x = 956,543,371,245.88/1,026,163.09 - Step 6: Final answer
x = 932,155.31
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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.