Finding the Fourth Proportional to 1,296,482.32, 1,789,236.08 and 723,532.08
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Solution
The fourth proportional to 1,296,482.32, 1,789,236.08 and 723,532.08 is: 998,524.76
Step by Step Solution
- Step 1: Write the proportion equation
1,296,482.32 : 1,789,236.08 = 723,532.08 : x - Step 2: Convert to fraction form
1,296,482.32/1,789,236.08 = 723,532.08/x - Step 3: Cross multiply
1,296,482.32x = 1,789,236.08 × 723,532.08 - Step 4: Simplify right side
1,296,482.32x = 1,294,569,702,573.45 - Step 5: Solve for x
x = 1,294,569,702,573.45/1,296,482.32 - Step 6: Final answer
x = 998,524.76
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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.