Finding the Fourth Proportional to 1,368,571.23, 1,888,594.63 and 756,707.76
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Solution
The fourth proportional to 1,368,571.23, 1,888,594.63 and 756,707.76 is: 1,044,238.09
Step by Step Solution
- Step 1: Write the proportion equation
1,368,571.23 : 1,888,594.63 = 756,707.76 : x - Step 2: Convert to fraction form
1,368,571.23/1,888,594.63 = 756,707.76/x - Step 3: Cross multiply
1,368,571.23x = 1,888,594.63 × 756,707.76 - Step 4: Simplify right side
1,368,571.23x = 1,429,114,212,015.33 - Step 5: Solve for x
x = 1,429,114,212,015.33/1,368,571.23 - Step 6: Final answer
x = 1,044,238.09
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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.