Finding the Fourth Proportional to 1,115,101.97, 1,538,810.82 and 656,243.57
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Solution
The fourth proportional to 1,115,101.97, 1,538,810.82 and 656,243.57 is: 905,598.53
Step by Step Solution
- Step 1: Write the proportion equation
1,115,101.97 : 1,538,810.82 = 656,243.57 : x - Step 2: Convert to fraction form
1,115,101.97/1,538,810.82 = 656,243.57/x - Step 3: Cross multiply
1,115,101.97x = 1,538,810.82 × 656,243.57 - Step 4: Simplify right side
1,115,101.97x = 1,009,834,708,995.64 - Step 5: Solve for x
x = 1,009,834,708,995.64/1,115,101.97 - Step 6: Final answer
x = 905,598.53
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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.