Finding the Fourth Proportional to 1,104,902.16, 1,524,900.24 and 621,487.68
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Solution
The fourth proportional to 1,104,902.16, 1,524,900.24 and 621,487.68 is: 857,729.08
Step by Step Solution
- Step 1: Write the proportion equation
1,104,902.16 : 1,524,900.24 = 621,487.68 : x - Step 2: Convert to fraction form
1,104,902.16/1,524,900.24 = 621,487.68/x - Step 3: Cross multiply
1,104,902.16x = 1,524,900.24 × 621,487.68 - Step 4: Simplify right side
1,104,902.16x = 947,706,712,389.04 - Step 5: Solve for x
x = 947,706,712,389.04/1,104,902.16 - Step 6: Final answer
x = 857,729.08
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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.