Finding the Fourth Proportional to 1,239,676.46, 1,710,622.09 and 695,872.07
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Solution
The fourth proportional to 1,239,676.46, 1,710,622.09 and 695,872.07 is: 960,229.68
Step by Step Solution
- Step 1: Write the proportion equation
1,239,676.46 : 1,710,622.09 = 695,872.07 : x - Step 2: Convert to fraction form
1,239,676.46/1,710,622.09 = 695,872.07/x - Step 3: Cross multiply
1,239,676.46x = 1,710,622.09 × 695,872.07 - Step 4: Simplify right side
1,239,676.46x = 1,190,374,134,756.03 - Step 5: Solve for x
x = 1,190,374,134,756.03/1,239,676.46 - Step 6: Final answer
x = 960,229.68
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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.