Finding the Fourth Proportional to 1,192,710.24, 1,788,864.48 and 339,721.92
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Solution
The fourth proportional to 1,192,710.24, 1,788,864.48 and 339,721.92 is: 509,525.66
Step by Step Solution
- Step 1: Write the proportion equation
1,192,710.24 : 1,788,864.48 = 339,721.92 : x - Step 2: Convert to fraction form
1,192,710.24/1,788,864.48 = 339,721.92/x - Step 3: Cross multiply
1,192,710.24x = 1,788,864.48 × 339,721.92 - Step 4: Simplify right side
1,192,710.24x = 607,716,475,765.40 - Step 5: Solve for x
x = 607,716,475,765.40/1,192,710.24 - Step 6: Final answer
x = 509,525.66
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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.