Finding the Fourth Proportional to 1,104,713.58, 1,524,490.28 and 621,278.58
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Solution
The fourth proportional to 1,104,713.58, 1,524,490.28 and 621,278.58 is: 857,356.31
Step by Step Solution
- Step 1: Write the proportion equation
1,104,713.58 : 1,524,490.28 = 621,278.58 : x - Step 2: Convert to fraction form
1,104,713.58/1,524,490.28 = 621,278.58/x - Step 3: Cross multiply
1,104,713.58x = 1,524,490.28 × 621,278.58 - Step 4: Simplify right side
1,104,713.58x = 947,133,156,382.20 - Step 5: Solve for x
x = 947,133,156,382.20/1,104,713.58 - Step 6: Final answer
x = 857,356.31
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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.