Finding the Fourth Proportional to 1,074,762.28, 1,611,781.98 and 541,943.08
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Solution
The fourth proportional to 1,074,762.28, 1,611,781.98 and 541,943.08 is: 812,732.37
Step by Step Solution
- Step 1: Write the proportion equation
1,074,762.28 : 1,611,781.98 = 541,943.08 : x - Step 2: Convert to fraction form
1,074,762.28/1,611,781.98 = 541,943.08/x - Step 3: Cross multiply
1,074,762.28x = 1,611,781.98 × 541,943.08 - Step 4: Simplify right side
1,074,762.28x = 873,494,090,529.70 - Step 5: Solve for x
x = 873,494,090,529.70/1,074,762.28 - Step 6: Final answer
x = 812,732.37
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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.