Finding the Fourth Proportional to 1,167,223.30, 1,749,862.95 and 493,821.70
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Solution
The fourth proportional to 1,167,223.30, 1,749,862.95 and 493,821.70 is: 740,321.32
Step by Step Solution
- Step 1: Write the proportion equation
1,167,223.30 : 1,749,862.95 = 493,821.70 : x - Step 2: Convert to fraction form
1,167,223.30/1,749,862.95 = 493,821.70/x - Step 3: Cross multiply
1,167,223.30x = 1,749,862.95 × 493,821.70 - Step 4: Simplify right side
1,167,223.30x = 864,120,296,736.02 - Step 5: Solve for x
x = 864,120,296,736.02/1,167,223.30 - Step 6: Final answer
x = 740,321.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.