Finding the Fourth Proportional to 1,435,958.64, 1,981,622.94 and 791,378.84
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Solution
The fourth proportional to 1,435,958.64, 1,981,622.94 and 791,378.84 is: 1,092,102.81
Step by Step Solution
- Step 1: Write the proportion equation
1,435,958.64 : 1,981,622.94 = 791,378.84 : x - Step 2: Convert to fraction form
1,435,958.64/1,981,622.94 = 791,378.84/x - Step 3: Cross multiply
1,435,958.64x = 1,981,622.94 × 791,378.84 - Step 4: Simplify right side
1,435,958.64x = 1,568,214,459,617.70 - Step 5: Solve for x
x = 1,568,214,459,617.70/1,435,958.64 - Step 6: Final answer
x = 1,092,102.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.