Finding the Fourth Proportional to 1,079,418.21, 1,489,620.38 and 596,013.99
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Solution
The fourth proportional to 1,079,418.21, 1,489,620.38 and 596,013.99 is: 822,512.14
Step by Step Solution
- Step 1: Write the proportion equation
1,079,418.21 : 1,489,620.38 = 596,013.99 : x - Step 2: Convert to fraction form
1,079,418.21/1,489,620.38 = 596,013.99/x - Step 3: Cross multiply
1,079,418.21x = 1,489,620.38 × 596,013.99 - Step 4: Simplify right side
1,079,418.21x = 887,834,583,289.05 - Step 5: Solve for x
x = 887,834,583,289.05/1,079,418.21 - Step 6: Final answer
x = 822,512.14
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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.