Finding the Fourth Proportional to 1,163,843.12, 1,606,044.84 and 654,515.12
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Solution
The fourth proportional to 1,163,843.12, 1,606,044.84 and 654,515.12 is: 903,197.87
Step by Step Solution
- Step 1: Write the proportion equation
1,163,843.12 : 1,606,044.84 = 654,515.12 : x - Step 2: Convert to fraction form
1,163,843.12/1,606,044.84 = 654,515.12/x - Step 3: Cross multiply
1,163,843.12x = 1,606,044.84 × 654,515.12 - Step 4: Simplify right side
1,163,843.12x = 1,051,180,631,177.98 - Step 5: Solve for x
x = 1,051,180,631,177.98/1,163,843.12 - Step 6: Final answer
x = 903,197.87
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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.