Finding the Fourth Proportional to 1,117,699.36, 1,542,362.56 and 608,371.36
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Solution
The fourth proportional to 1,117,699.36, 1,542,362.56 and 608,371.36 is: 839,518.43
Step by Step Solution
- Step 1: Write the proportion equation
1,117,699.36 : 1,542,362.56 = 608,371.36 : x - Step 2: Convert to fraction form
1,117,699.36/1,542,362.56 = 608,371.36/x - Step 3: Cross multiply
1,117,699.36x = 1,542,362.56 × 608,371.36 - Step 4: Simplify right side
1,117,699.36x = 938,329,208,240.28 - Step 5: Solve for x
x = 938,329,208,240.28/1,117,699.36 - Step 6: Final answer
x = 839,518.43
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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.