Finding the Fourth Proportional to 1,232,418.24, 1,700,745.12 and 688,573.44
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Solution
The fourth proportional to 1,232,418.24, 1,700,745.12 and 688,573.44 is: 950,235.79
Step by Step Solution
- Step 1: Write the proportion equation
1,232,418.24 : 1,700,745.12 = 688,573.44 : x - Step 2: Convert to fraction form
1,232,418.24/1,700,745.12 = 688,573.44/x - Step 3: Cross multiply
1,232,418.24x = 1,700,745.12 × 688,573.44 - Step 4: Simplify right side
1,232,418.24x = 1,171,087,917,841.61 - Step 5: Solve for x
x = 1,171,087,917,841.61/1,232,418.24 - Step 6: Final answer
x = 950,235.79
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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.