Finding the Fourth Proportional to 1,114,677.36, 1,538,262.63 and 605,379.74
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Solution
The fourth proportional to 1,114,677.36, 1,538,262.63 and 605,379.74 is: 835,428.31
Step by Step Solution
- Step 1: Write the proportion equation
1,114,677.36 : 1,538,262.63 = 605,379.74 : x - Step 2: Convert to fraction form
1,114,677.36/1,538,262.63 = 605,379.74/x - Step 3: Cross multiply
1,114,677.36x = 1,538,262.63 × 605,379.74 - Step 4: Simplify right side
1,114,677.36x = 931,233,023,309.80 - Step 5: Solve for x
x = 931,233,023,309.80/1,114,677.36 - Step 6: Final answer
x = 835,428.31
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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.