Finding the Fourth Proportional to 1,306,193.61, 1,802,607.12 and 725,419.44
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Solution
The fourth proportional to 1,306,193.61, 1,802,607.12 and 725,419.44 is: 1,001,112.11
Step by Step Solution
- Step 1: Write the proportion equation
1,306,193.61 : 1,802,607.12 = 725,419.44 : x - Step 2: Convert to fraction form
1,306,193.61/1,802,607.12 = 725,419.44/x - Step 3: Cross multiply
1,306,193.61x = 1,802,607.12 × 725,419.44 - Step 4: Simplify right side
1,306,193.61x = 1,307,646,236,703.83 - Step 5: Solve for x
x = 1,307,646,236,703.83/1,306,193.61 - Step 6: Final answer
x = 1,001,112.11
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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.