Finding the Fourth Proportional to 1,104,711.58, 1,524,487.53 and 621,276.58
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Solution
The fourth proportional to 1,104,711.58, 1,524,487.53 and 621,276.58 is: 857,353.55
Step by Step Solution
- Step 1: Write the proportion equation
1,104,711.58 : 1,524,487.53 = 621,276.58 : x - Step 2: Convert to fraction form
1,104,711.58/1,524,487.53 = 621,276.58/x - Step 3: Cross multiply
1,104,711.58x = 1,524,487.53 × 621,276.58 - Step 4: Simplify right side
1,104,711.58x = 947,128,398,891.05 - Step 5: Solve for x
x = 947,128,398,891.05/1,104,711.58 - Step 6: Final answer
x = 857,353.55
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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.