Finding the Fourth Proportional to 1,072,611.06, 1,480,212.08 and 589,187.00
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Solution
The fourth proportional to 1,072,611.06, 1,480,212.08 and 589,187.00 is: 813,082.89
Step by Step Solution
- Step 1: Write the proportion equation
1,072,611.06 : 1,480,212.08 = 589,187.00 : x - Step 2: Convert to fraction form
1,072,611.06/1,480,212.08 = 589,187.00/x - Step 3: Cross multiply
1,072,611.06x = 1,480,212.08 × 589,187.00 - Step 4: Simplify right side
1,072,611.06x = 872,121,704,431.97 - Step 5: Solve for x
x = 872,121,704,431.97/1,072,611.06 - Step 6: Final answer
x = 813,082.89
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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.