Finding the Fourth Proportional to 1,396,492.53, 1,927,160.97 and 792,880.53
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Solution
The fourth proportional to 1,396,492.53, 1,927,160.97 and 792,880.53 is: 1,094,175.86
Step by Step Solution
- Step 1: Write the proportion equation
1,396,492.53 : 1,927,160.97 = 792,880.53 : x - Step 2: Convert to fraction form
1,396,492.53/1,927,160.97 = 792,880.53/x - Step 3: Cross multiply
1,396,492.53x = 1,927,160.97 × 792,880.53 - Step 4: Simplify right side
1,396,492.53x = 1,528,008,411,288.91 - Step 5: Solve for x
x = 1,528,008,411,288.91/1,396,492.53 - Step 6: Final answer
x = 1,094,175.86
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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.