Finding the Fourth Proportional to 1,423,492.92, 1,964,469.51 and 811,737.99
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Solution
The fourth proportional to 1,423,492.92, 1,964,469.51 and 811,737.99 is: 1,120,226.53
Step by Step Solution
- Step 1: Write the proportion equation
1,423,492.92 : 1,964,469.51 = 811,737.99 : x - Step 2: Convert to fraction form
1,423,492.92/1,964,469.51 = 811,737.99/x - Step 3: Cross multiply
1,423,492.92x = 1,964,469.51 × 811,737.99 - Step 4: Simplify right side
1,423,492.92x = 1,594,634,531,463.68 - Step 5: Solve for x
x = 1,594,634,531,463.68/1,423,492.92 - Step 6: Final answer
x = 1,120,226.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.