Finding the Fourth Proportional to 1,072,639.26, 1,480,236.75 and 589,202.91
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Solution
The fourth proportional to 1,072,639.26, 1,480,236.75 and 589,202.91 is: 813,097.03
Step by Step Solution
- Step 1: Write the proportion equation
1,072,639.26 : 1,480,236.75 = 589,202.91 : x - Step 2: Convert to fraction form
1,072,639.26/1,480,236.75 = 589,202.91/x - Step 3: Cross multiply
1,072,639.26x = 1,480,236.75 × 589,202.91 - Step 4: Simplify right side
1,072,639.26x = 872,159,800,588.94 - Step 5: Solve for x
x = 872,159,800,588.94/1,072,639.26 - Step 6: Final answer
x = 813,097.03
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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.