Finding the Fourth Proportional to 1,000,487.58, 1,380,664.68 and 541,592.82
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Solution
The fourth proportional to 1,000,487.58, 1,380,664.68 and 541,592.82 is: 747,393.66
Step by Step Solution
- Step 1: Write the proportion equation
1,000,487.58 : 1,380,664.68 = 541,592.82 : x - Step 2: Convert to fraction form
1,000,487.58/1,380,664.68 = 541,592.82/x - Step 3: Cross multiply
1,000,487.58x = 1,380,664.68 × 541,592.82 - Step 4: Simplify right side
1,000,487.58x = 747,758,077,515.60 - Step 5: Solve for x
x = 747,758,077,515.60/1,000,487.58 - Step 6: Final answer
x = 747,393.66
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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.