Finding the Fourth Proportional to 1,026,183.52, 1,416,529.20 and 918,563.68
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Solution
The fourth proportional to 1,026,183.52, 1,416,529.20 and 918,563.68 is: 1,267,972.30
Step by Step Solution
- Step 1: Write the proportion equation
1,026,183.52 : 1,416,529.20 = 918,563.68 : x - Step 2: Convert to fraction form
1,026,183.52/1,416,529.20 = 918,563.68/x - Step 3: Cross multiply
1,026,183.52x = 1,416,529.20 × 918,563.68 - Step 4: Simplify right side
1,026,183.52x = 1,301,172,274,779.46 - Step 5: Solve for x
x = 1,301,172,274,779.46/1,026,183.52 - Step 6: Final answer
x = 1,267,972.30
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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.