Finding the Fourth Proportional to 1,104,855.24, 1,524,685.17 and 621,420.18
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Solution
The fourth proportional to 1,104,855.24, 1,524,685.17 and 621,420.18 is: 857,551.38
Step by Step Solution
- Step 1: Write the proportion equation
1,104,855.24 : 1,524,685.17 = 621,420.18 : x - Step 2: Convert to fraction form
1,104,855.24/1,524,685.17 = 621,420.18/x - Step 3: Cross multiply
1,104,855.24x = 1,524,685.17 × 621,420.18 - Step 4: Simplify right side
1,104,855.24x = 947,470,132,784.73 - Step 5: Solve for x
x = 947,470,132,784.73/1,104,855.24 - Step 6: Final answer
x = 857,551.38
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1.5x scale
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.