Finding the Fourth Proportional to 1,115,745.44, 1,539,730.68 and 606,446.48
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Solution
The fourth proportional to 1,115,745.44, 1,539,730.68 and 606,446.48 is: 836,897.21
Step by Step Solution
- Step 1: Write the proportion equation
1,115,745.44 : 1,539,730.68 = 606,446.48 : x - Step 2: Convert to fraction form
1,115,745.44/1,539,730.68 = 606,446.48/x - Step 3: Cross multiply
1,115,745.44x = 1,539,730.68 × 606,446.48 - Step 4: Simplify right side
1,115,745.44x = 933,764,251,034.01 - Step 5: Solve for x
x = 933,764,251,034.01/1,115,745.44 - Step 6: Final answer
x = 836,897.21
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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.