Finding the Fourth Proportional to 1,019,337.62, 1,528,970.99 and 261,185.31
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Solution
The fourth proportional to 1,019,337.62, 1,528,970.99 and 261,185.31 is: 391,768.88
Step by Step Solution
- Step 1: Write the proportion equation
1,019,337.62 : 1,528,970.99 = 261,185.31 : x - Step 2: Convert to fraction form
1,019,337.62/1,528,970.99 = 261,185.31/x - Step 3: Cross multiply
1,019,337.62x = 1,528,970.99 × 261,185.31 - Step 4: Simplify right side
1,019,337.62x = 399,344,760,698.23 - Step 5: Solve for x
x = 399,344,760,698.23/1,019,337.62 - Step 6: Final answer
x = 391,768.88
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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.