Finding the Fourth Proportional to 1,042,079.88, 1,438,340.58 and 589,633.32
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Solution
The fourth proportional to 1,042,079.88, 1,438,340.58 and 589,633.32 is: 813,846.95
Step by Step Solution
- Step 1: Write the proportion equation
1,042,079.88 : 1,438,340.58 = 589,633.32 : x - Step 2: Convert to fraction form
1,042,079.88/1,438,340.58 = 589,633.32/x - Step 3: Cross multiply
1,042,079.88x = 1,438,340.58 × 589,633.32 - Step 4: Simplify right side
1,042,079.88x = 848,093,531,476.13 - Step 5: Solve for x
x = 848,093,531,476.13/1,042,079.88 - Step 6: Final answer
x = 813,846.95
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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.