Finding the Fourth Proportional to 1,197,652.20, 1,796,727.90 and 399,181.80
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Solution
The fourth proportional to 1,197,652.20, 1,796,727.90 and 399,181.80 is: 598,855.89
Step by Step Solution
- Step 1: Write the proportion equation
1,197,652.20 : 1,796,727.90 = 399,181.80 : x - Step 2: Convert to fraction form
1,197,652.20/1,796,727.90 = 399,181.80/x - Step 3: Cross multiply
1,197,652.20x = 1,796,727.90 × 399,181.80 - Step 4: Simplify right side
1,197,652.20x = 717,221,077,232.22 - Step 5: Solve for x
x = 717,221,077,232.22/1,197,652.20 - Step 6: Final answer
x = 598,855.89
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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.