Finding the Fourth Proportional to 1,176,439.20, 1,764,621.74 and 334,990.95
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Solution
The fourth proportional to 1,176,439.20, 1,764,621.74 and 334,990.95 is: 502,475.87
Step by Step Solution
- Step 1: Write the proportion equation
1,176,439.20 : 1,764,621.74 = 334,990.95 : x - Step 2: Convert to fraction form
1,176,439.20/1,764,621.74 = 334,990.95/x - Step 3: Cross multiply
1,176,439.20x = 1,764,621.74 × 334,990.95 - Step 4: Simplify right side
1,176,439.20x = 591,132,313,073.25 - Step 5: Solve for x
x = 591,132,313,073.25/1,176,439.20 - Step 6: Final answer
x = 502,475.87
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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.