Finding the Fourth Proportional to 1,413,256.40, 2,115,046.20 and 852,693.20
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Solution
The fourth proportional to 1,413,256.40, 2,115,046.20 and 852,693.20 is: 1,276,120.53
Step by Step Solution
- Step 1: Write the proportion equation
1,413,256.40 : 2,115,046.20 = 852,693.20 : x - Step 2: Convert to fraction form
1,413,256.40/2,115,046.20 = 852,693.20/x - Step 3: Cross multiply
1,413,256.40x = 2,115,046.20 × 852,693.20 - Step 4: Simplify right side
1,413,256.40x = 1,803,485,512,425.84 - Step 5: Solve for x
x = 1,803,485,512,425.84/1,413,256.40 - Step 6: Final answer
x = 1,276,120.53
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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.