Finding the Fourth Proportional to 1,102,644.08, 1,521,813.36 and 673,173.20
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Solution
The fourth proportional to 1,102,644.08, 1,521,813.36 and 673,173.20 is: 929,079.46
Step by Step Solution
- Step 1: Write the proportion equation
1,102,644.08 : 1,521,813.36 = 673,173.20 : x - Step 2: Convert to fraction form
1,102,644.08/1,521,813.36 = 673,173.20/x - Step 3: Cross multiply
1,102,644.08x = 1,521,813.36 × 673,173.20 - Step 4: Simplify right side
1,102,644.08x = 1,024,443,969,353.95 - Step 5: Solve for x
x = 1,024,443,969,353.95/1,102,644.08 - Step 6: Final answer
x = 929,079.46
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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.