Finding the Fourth Proportional to 1,107,786.71, 1,528,749.84 and 700,069.75
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Solution
The fourth proportional to 1,107,786.71, 1,528,749.84 and 700,069.75 is: 966,098.89
Step by Step Solution
- Step 1: Write the proportion equation
1,107,786.71 : 1,528,749.84 = 700,069.75 : x - Step 2: Convert to fraction form
1,107,786.71/1,528,749.84 = 700,069.75/x - Step 3: Cross multiply
1,107,786.71x = 1,528,749.84 × 700,069.75 - Step 4: Simplify right side
1,107,786.71x = 1,070,231,517,104.73 - Step 5: Solve for x
x = 1,070,231,517,104.73/1,107,786.71 - Step 6: Final answer
x = 966,098.89
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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.