Finding the Fourth Proportional to 1,306,687.43, 1,960,279 and 453,725.84
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Solution
The fourth proportional to 1,306,687.43, 1,960,279 and 453,725.84 is: 680,674.82
Step by Step Solution
- Step 1: Write the proportion equation
1,306,687.43 : 1,960,279 = 453,725.84 : x - Step 2: Convert to fraction form
1,306,687.43/1,960,279 = 453,725.84/x - Step 3: Cross multiply
1,306,687.43x = 1,960,279 × 453,725.84 - Step 4: Simplify right side
1,306,687.43x = 889,429,235,909.36 - Step 5: Solve for x
x = 889,429,235,909.36/1,306,687.43 - Step 6: Final answer
x = 680,674.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.