Finding the Fourth Proportional to 1,227,999.99, 1,693,991.28 and 845,362.47
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Solution
The fourth proportional to 1,227,999.99, 1,693,991.28 and 845,362.47 is: 1,166,153.64
Step by Step Solution
- Step 1: Write the proportion equation
1,227,999.99 : 1,693,991.28 = 845,362.47 : x - Step 2: Convert to fraction form
1,227,999.99/1,693,991.28 = 845,362.47/x - Step 3: Cross multiply
1,227,999.99x = 1,693,991.28 × 845,362.47 - Step 4: Simplify right side
1,227,999.99x = 1,432,036,652,619.26 - Step 5: Solve for x
x = 1,432,036,652,619.26/1,227,999.99 - Step 6: Final answer
x = 1,166,153.64
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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.