Finding the Fourth Proportional to 1,048,806.09, 1,447,395.57 and 589,941.99
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Solution
The fourth proportional to 1,048,806.09, 1,447,395.57 and 589,941.99 is: 814,144.23
Step by Step Solution
- Step 1: Write the proportion equation
1,048,806.09 : 1,447,395.57 = 589,941.99 : x - Step 2: Convert to fraction form
1,048,806.09/1,447,395.57 = 589,941.99/x - Step 3: Cross multiply
1,048,806.09x = 1,447,395.57 × 589,941.99 - Step 4: Simplify right side
1,048,806.09x = 853,879,422,882.98 - Step 5: Solve for x
x = 853,879,422,882.98/1,048,806.09 - Step 6: Final answer
x = 814,144.23
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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.