Finding the Fourth Proportional to 1,128,232.54, 1,690,757.58 and 623,020.96
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Solution
The fourth proportional to 1,128,232.54, 1,690,757.58 and 623,020.96 is: 933,652.75
Step by Step Solution
- Step 1: Write the proportion equation
1,128,232.54 : 1,690,757.58 = 623,020.96 : x - Step 2: Convert to fraction form
1,128,232.54/1,690,757.58 = 623,020.96/x - Step 3: Cross multiply
1,128,232.54x = 1,690,757.58 × 623,020.96 - Step 4: Simplify right side
1,128,232.54x = 1,053,377,410,618.88 - Step 5: Solve for x
x = 1,053,377,410,618.88/1,128,232.54 - Step 6: Final answer
x = 933,652.75
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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.