Finding the Fourth Proportional to 1,246,023.75, 1,869,350.85 and 347,465.58
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Solution
The fourth proportional to 1,246,023.75, 1,869,350.85 and 347,465.58 is: 521,286.27
Step by Step Solution
- Step 1: Write the proportion equation
1,246,023.75 : 1,869,350.85 = 347,465.58 : x - Step 2: Convert to fraction form
1,246,023.75/1,869,350.85 = 347,465.58/x - Step 3: Cross multiply
1,246,023.75x = 1,869,350.85 × 347,465.58 - Step 4: Simplify right side
1,246,023.75x = 649,535,077,318.74 - Step 5: Solve for x
x = 649,535,077,318.74/1,246,023.75 - Step 6: Final answer
x = 521,286.27
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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.