Finding the Fourth Proportional to 1,148,705.92, 1,723,059.36 and 516,881.68
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Solution
The fourth proportional to 1,148,705.92, 1,723,059.36 and 516,881.68 is: 775,322.74
Step by Step Solution
- Step 1: Write the proportion equation
1,148,705.92 : 1,723,059.36 = 516,881.68 : x - Step 2: Convert to fraction form
1,148,705.92/1,723,059.36 = 516,881.68/x - Step 3: Cross multiply
1,148,705.92x = 1,723,059.36 × 516,881.68 - Step 4: Simplify right side
1,148,705.92x = 890,617,816,736.53 - Step 5: Solve for x
x = 890,617,816,736.53/1,148,705.92 - Step 6: Final answer
x = 775,322.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.