Finding the Fourth Proportional to 1,305,376.12, 1,958,465.07 and 623,133.55
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Solution
The fourth proportional to 1,305,376.12, 1,958,465.07 and 623,133.55 is: 934,891.69
Step by Step Solution
- Step 1: Write the proportion equation
1,305,376.12 : 1,958,465.07 = 623,133.55 : x - Step 2: Convert to fraction form
1,305,376.12/1,958,465.07 = 623,133.55/x - Step 3: Cross multiply
1,305,376.12x = 1,958,465.07 × 623,133.55 - Step 4: Simplify right side
1,305,376.12x = 1,220,385,291,620.10 - Step 5: Solve for x
x = 1,220,385,291,620.10/1,305,376.12 - Step 6: Final answer
x = 934,891.69
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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.