Finding the Fourth Proportional to 1,259,964.04, 1,738,779.06 and 716,014.12
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Solution
The fourth proportional to 1,259,964.04, 1,738,779.06 and 716,014.12 is: 988,115.79
Step by Step Solution
- Step 1: Write the proportion equation
1,259,964.04 : 1,738,779.06 = 716,014.12 : x - Step 2: Convert to fraction form
1,259,964.04/1,738,779.06 = 716,014.12/x - Step 3: Cross multiply
1,259,964.04x = 1,738,779.06 × 716,014.12 - Step 4: Simplify right side
1,259,964.04x = 1,244,990,358,520.33 - Step 5: Solve for x
x = 1,244,990,358,520.33/1,259,964.04 - Step 6: Final answer
x = 988,115.79
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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.