Finding the Fourth Proportional to 1,104,713.08, 1,524,489.60 and 621,278.08
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Solution
The fourth proportional to 1,104,713.08, 1,524,489.60 and 621,278.08 is: 857,355.62
Step by Step Solution
- Step 1: Write the proportion equation
1,104,713.08 : 1,524,489.60 = 621,278.08 : x - Step 2: Convert to fraction form
1,104,713.08/1,524,489.60 = 621,278.08/x - Step 3: Cross multiply
1,104,713.08x = 1,524,489.60 × 621,278.08 - Step 4: Simplify right side
1,104,713.08x = 947,131,971,667.97 - Step 5: Solve for x
x = 947,131,971,667.97/1,104,713.08 - Step 6: Final answer
x = 857,355.62
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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.