Finding the Fourth Proportional to 1,165,946.13, 1,748,919.20 and 455,475.96
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Solution
The fourth proportional to 1,165,946.13, 1,748,919.20 and 455,475.96 is: 683,213.94
Step by Step Solution
- Step 1: Write the proportion equation
1,165,946.13 : 1,748,919.20 = 455,475.96 : x - Step 2: Convert to fraction form
1,165,946.13/1,748,919.20 = 455,475.96/x - Step 3: Cross multiply
1,165,946.13x = 1,748,919.20 × 455,475.96 - Step 4: Simplify right side
1,165,946.13x = 796,590,649,305.05 - Step 5: Solve for x
x = 796,590,649,305.05/1,165,946.13 - Step 6: Final answer
x = 683,213.94
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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.