Finding the Fourth Proportional to 1,108,335.40, 1,529,472.18 and 624,896.26
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Solution
The fourth proportional to 1,108,335.40, 1,529,472.18 and 624,896.26 is: 862,339.55
Step by Step Solution
- Step 1: Write the proportion equation
1,108,335.40 : 1,529,472.18 = 624,896.26 : x - Step 2: Convert to fraction form
1,108,335.40/1,529,472.18 = 624,896.26/x - Step 3: Cross multiply
1,108,335.40x = 1,529,472.18 × 624,896.26 - Step 4: Simplify right side
1,108,335.40x = 955,761,445,056.05 - Step 5: Solve for x
x = 955,761,445,056.05/1,108,335.40 - Step 6: Final answer
x = 862,339.55
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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.