Finding the Fourth Proportional to 1,226,942.24, 1,692,786.48 and 743,352.80
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Solution
The fourth proportional to 1,226,942.24, 1,692,786.48 and 743,352.80 is: 1,025,588.27
Step by Step Solution
- Step 1: Write the proportion equation
1,226,942.24 : 1,692,786.48 = 743,352.80 : x - Step 2: Convert to fraction form
1,226,942.24/1,692,786.48 = 743,352.80/x - Step 3: Cross multiply
1,226,942.24x = 1,692,786.48 × 743,352.80 - Step 4: Simplify right side
1,226,942.24x = 1,258,337,569,710.14 - Step 5: Solve for x
x = 1,258,337,569,710.14/1,226,942.24 - Step 6: Final answer
x = 1,025,588.27
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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.