Finding the Fourth Proportional to 1,146,227.28, 1,581,675.84 and 716,554.68
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Solution
The fourth proportional to 1,146,227.28, 1,581,675.84 and 716,554.68 is: 988,771.81
Step by Step Solution
- Step 1: Write the proportion equation
1,146,227.28 : 1,581,675.84 = 716,554.68 : x - Step 2: Convert to fraction form
1,146,227.28/1,581,675.84 = 716,554.68/x - Step 3: Cross multiply
1,146,227.28x = 1,581,675.84 × 716,554.68 - Step 4: Simplify right side
1,146,227.28x = 1,133,357,225,394.93 - Step 5: Solve for x
x = 1,133,357,225,394.93/1,146,227.28 - Step 6: Final answer
x = 988,771.81
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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.