Finding the Fourth Proportional to 1,367,701.20, 2,051,551.80 and 609,905.70
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Solution
The fourth proportional to 1,367,701.20, 2,051,551.80 and 609,905.70 is: 914,858.55
Step by Step Solution
- Step 1: Write the proportion equation
1,367,701.20 : 2,051,551.80 = 609,905.70 : x - Step 2: Convert to fraction form
1,367,701.20/2,051,551.80 = 609,905.70/x - Step 3: Cross multiply
1,367,701.20x = 2,051,551.80 × 609,905.70 - Step 4: Simplify right side
1,367,701.20x = 1,251,253,136,665.26 - Step 5: Solve for x
x = 1,251,253,136,665.26/1,367,701.20 - Step 6: Final answer
x = 914,858.55
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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.