Finding the Fourth Proportional to 1,378,325.24, 2,067,461.94 and 751,229.72
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Solution
The fourth proportional to 1,378,325.24, 2,067,461.94 and 751,229.72 is: 1,126,830.45
Step by Step Solution
- Step 1: Write the proportion equation
1,378,325.24 : 2,067,461.94 = 751,229.72 : x - Step 2: Convert to fraction form
1,378,325.24/2,067,461.94 = 751,229.72/x - Step 3: Cross multiply
1,378,325.24x = 2,067,461.94 × 751,229.72 - Step 4: Simplify right side
1,378,325.24x = 1,553,138,854,296.86 - Step 5: Solve for x
x = 1,553,138,854,296.86/1,378,325.24 - Step 6: Final answer
x = 1,126,830.45
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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.