Finding the Fourth Proportional to 1,006,783.68, 1,389,160.08 and 577,198.56
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Solution
The fourth proportional to 1,006,783.68, 1,389,160.08 and 577,198.56 is: 796,418.55
Step by Step Solution
- Step 1: Write the proportion equation
1,006,783.68 : 1,389,160.08 = 577,198.56 : x - Step 2: Convert to fraction form
1,006,783.68/1,389,160.08 = 577,198.56/x - Step 3: Cross multiply
1,006,783.68x = 1,389,160.08 × 577,198.56 - Step 4: Simplify right side
1,006,783.68x = 801,821,197,785.49 - Step 5: Solve for x
x = 801,821,197,785.49/1,006,783.68 - Step 6: Final answer
x = 796,418.55
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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.