Finding the Fourth Proportional to 1,178,975.20, 1,625,698.38 and 796,337.68
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Solution
The fourth proportional to 1,178,975.20, 1,625,698.38 and 796,337.68 is: 1,098,076.43
Step by Step Solution
- Step 1: Write the proportion equation
1,178,975.20 : 1,625,698.38 = 796,337.68 : x - Step 2: Convert to fraction form
1,178,975.20/1,625,698.38 = 796,337.68/x - Step 3: Cross multiply
1,178,975.20x = 1,625,698.38 × 796,337.68 - Step 4: Simplify right side
1,178,975.20x = 1,294,604,876,308.96 - Step 5: Solve for x
x = 1,294,604,876,308.96/1,178,975.20 - Step 6: Final answer
x = 1,098,076.43
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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.