Finding the Fourth Proportional to 1,049,743.62, 1,573,677.74 and 409,898.50
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Solution
The fourth proportional to 1,049,743.62, 1,573,677.74 and 409,898.50 is: 614,481.60
Step by Step Solution
- Step 1: Write the proportion equation
1,049,743.62 : 1,573,677.74 = 409,898.50 : x - Step 2: Convert to fraction form
1,049,743.62/1,573,677.74 = 409,898.50/x - Step 3: Cross multiply
1,049,743.62x = 1,573,677.74 × 409,898.50 - Step 4: Simplify right side
1,049,743.62x = 645,048,135,191.51 - Step 5: Solve for x
x = 645,048,135,191.51/1,049,743.62 - Step 6: Final answer
x = 614,481.60
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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.