Finding the Fourth Proportional to 1,330,286.76, 1,835,727.30 and 726,558.12
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Solution
The fourth proportional to 1,330,286.76, 1,835,727.30 and 726,558.12 is: 1,002,612.83
Step by Step Solution
- Step 1: Write the proportion equation
1,330,286.76 : 1,835,727.30 = 726,558.12 : x - Step 2: Convert to fraction form
1,330,286.76/1,835,727.30 = 726,558.12/x - Step 3: Cross multiply
1,330,286.76x = 1,835,727.30 × 726,558.12 - Step 4: Simplify right side
1,330,286.76x = 1,333,762,575,920.68 - Step 5: Solve for x
x = 1,333,762,575,920.68/1,330,286.76 - Step 6: Final answer
x = 1,002,612.83
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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.