Finding the Fourth Proportional to 1,166,813.13, 1,750,219.70 and 378,845.13
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Solution
The fourth proportional to 1,166,813.13, 1,750,219.70 and 378,845.13 is: 568,267.70
Step by Step Solution
- Step 1: Write the proportion equation
1,166,813.13 : 1,750,219.70 = 378,845.13 : x - Step 2: Convert to fraction form
1,166,813.13/1,750,219.70 = 378,845.13/x - Step 3: Cross multiply
1,166,813.13x = 1,750,219.70 × 378,845.13 - Step 4: Simplify right side
1,166,813.13x = 663,062,209,775.06 - Step 5: Solve for x
x = 663,062,209,775.06/1,166,813.13 - Step 6: Final answer
x = 568,267.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.