Finding the Fourth Proportional to 1,416,318.96, 1,954,520.37 and 771,739.32
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Solution
The fourth proportional to 1,416,318.96, 1,954,520.37 and 771,739.32 is: 1,065,000.37
Step by Step Solution
- Step 1: Write the proportion equation
1,416,318.96 : 1,954,520.37 = 771,739.32 : x - Step 2: Convert to fraction form
1,416,318.96/1,954,520.37 = 771,739.32/x - Step 3: Cross multiply
1,416,318.96x = 1,954,520.37 × 771,739.32 - Step 4: Simplify right side
1,416,318.96x = 1,508,380,221,269.95 - Step 5: Solve for x
x = 1,508,380,221,269.95/1,416,318.96 - Step 6: Final answer
x = 1,065,000.37
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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.