Finding the Fourth Proportional to 1,040,721.84, 1,561,260.76 and 357,575.94
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Solution
The fourth proportional to 1,040,721.84, 1,561,260.76 and 357,575.94 is: 536,425.07
Step by Step Solution
- Step 1: Write the proportion equation
1,040,721.84 : 1,561,260.76 = 357,575.94 : x - Step 2: Convert to fraction form
1,040,721.84/1,561,260.76 = 357,575.94/x - Step 3: Cross multiply
1,040,721.84x = 1,561,260.76 × 357,575.94 - Step 4: Simplify right side
1,040,721.84x = 558,269,282,948.18 - Step 5: Solve for x
x = 558,269,282,948.18/1,040,721.84 - Step 6: Final answer
x = 536,425.07
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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.