Finding the Fourth Proportional to 1,073,571.84, 1,611,130.56 and 399,746.88
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Solution
The fourth proportional to 1,073,571.84, 1,611,130.56 and 399,746.88 is: 599,908.07
Step by Step Solution
- Step 1: Write the proportion equation
1,073,571.84 : 1,611,130.56 = 399,746.88 : x - Step 2: Convert to fraction form
1,073,571.84/1,611,130.56 = 399,746.88/x - Step 3: Cross multiply
1,073,571.84x = 1,611,130.56 × 399,746.88 - Step 4: Simplify right side
1,073,571.84x = 644,044,414,632.65 - Step 5: Solve for x
x = 644,044,414,632.65/1,073,571.84 - Step 6: Final answer
x = 599,908.07
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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.