Finding the Fourth Proportional to 1,213,597.68, 1,674,757.68 and 704,289.12
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Solution
The fourth proportional to 1,213,597.68, 1,674,757.68 and 704,289.12 is: 971,914.85
Step by Step Solution
- Step 1: Write the proportion equation
1,213,597.68 : 1,674,757.68 = 704,289.12 : x - Step 2: Convert to fraction form
1,213,597.68/1,674,757.68 = 704,289.12/x - Step 3: Cross multiply
1,213,597.68x = 1,674,757.68 × 704,289.12 - Step 4: Simplify right side
1,213,597.68x = 1,179,513,612,660.44 - Step 5: Solve for x
x = 1,179,513,612,660.44/1,213,597.68 - Step 6: Final answer
x = 971,914.85
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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.