Finding the Fourth Proportional to 1,067,905.08, 1,601,689.12 and 499,680.36
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Solution
The fourth proportional to 1,067,905.08, 1,601,689.12 and 499,680.36 is: 749,441.70
Step by Step Solution
- Step 1: Write the proportion equation
1,067,905.08 : 1,601,689.12 = 499,680.36 : x - Step 2: Convert to fraction form
1,067,905.08/1,601,689.12 = 499,680.36/x - Step 3: Cross multiply
1,067,905.08x = 1,601,689.12 × 499,680.36 - Step 4: Simplify right side
1,067,905.08x = 800,332,596,089.68 - Step 5: Solve for x
x = 800,332,596,089.68/1,067,905.08 - Step 6: Final answer
x = 749,441.70
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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.