Finding the Fourth Proportional to 1,105,104.68, 1,524,937.56 and 621,837.08
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Solution
The fourth proportional to 1,105,104.68, 1,524,937.56 and 621,837.08 is: 858,075.02
Step by Step Solution
- Step 1: Write the proportion equation
1,105,104.68 : 1,524,937.56 = 621,837.08 : x - Step 2: Convert to fraction form
1,105,104.68/1,524,937.56 = 621,837.08/x - Step 3: Cross multiply
1,105,104.68x = 1,524,937.56 × 621,837.08 - Step 4: Simplify right side
1,105,104.68x = 948,262,719,492.73 - Step 5: Solve for x
x = 948,262,719,492.73/1,105,104.68 - Step 6: Final answer
x = 858,075.02
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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.