Finding the Fourth Proportional to 1,302,505.02, 1,796,533.29 and 812,721.24
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Solution
The fourth proportional to 1,302,505.02, 1,796,533.29 and 812,721.24 is: 1,120,978.99
Step by Step Solution
- Step 1: Write the proportion equation
1,302,505.02 : 1,796,533.29 = 812,721.24 : x - Step 2: Convert to fraction form
1,302,505.02/1,796,533.29 = 812,721.24/x - Step 3: Cross multiply
1,302,505.02x = 1,796,533.29 × 812,721.24 - Step 4: Simplify right side
1,302,505.02x = 1,460,080,763,150.08 - Step 5: Solve for x
x = 1,460,080,763,150.08/1,302,505.02 - Step 6: Final answer
x = 1,120,978.99
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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.