Finding the Fourth Proportional to 1,227,922.68, 1,842,133.14 and 386,278.68
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Solution
The fourth proportional to 1,227,922.68, 1,842,133.14 and 386,278.68 is: 579,496.39
Step by Step Solution
- Step 1: Write the proportion equation
1,227,922.68 : 1,842,133.14 = 386,278.68 : x - Step 2: Convert to fraction form
1,227,922.68/1,842,133.14 = 386,278.68/x - Step 3: Cross multiply
1,227,922.68x = 1,842,133.14 × 386,278.68 - Step 4: Simplify right side
1,227,922.68x = 711,576,757,703.46 - Step 5: Solve for x
x = 711,576,757,703.46/1,227,922.68 - Step 6: Final answer
x = 579,496.39
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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.