Finding the Fourth Proportional to 1,385,135.57, 1,910,944.10 and 804,259.53
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Solution
The fourth proportional to 1,385,135.57, 1,910,944.10 and 804,259.53 is: 1,109,562.87
Step by Step Solution
- Step 1: Write the proportion equation
1,385,135.57 : 1,910,944.10 = 804,259.53 : x - Step 2: Convert to fraction form
1,385,135.57/1,910,944.10 = 804,259.53/x - Step 3: Cross multiply
1,385,135.57x = 1,910,944.10 × 804,259.53 - Step 4: Simplify right side
1,385,135.57x = 1,536,895,005,732.92 - Step 5: Solve for x
x = 1,536,895,005,732.92/1,385,135.57 - Step 6: Final answer
x = 1,109,562.87
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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.