Finding the Fourth Proportional to 1,257,473.97, 1,731,471.30 and 947,826.45
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Solution
The fourth proportional to 1,257,473.97, 1,731,471.30 and 947,826.45 is: 1,305,103.99
Step by Step Solution
- Step 1: Write the proportion equation
1,257,473.97 : 1,731,471.30 = 947,826.45 : x - Step 2: Convert to fraction form
1,257,473.97/1,731,471.30 = 947,826.45/x - Step 3: Cross multiply
1,257,473.97x = 1,731,471.30 × 947,826.45 - Step 4: Simplify right side
1,257,473.97x = 1,641,134,295,555.89 - Step 5: Solve for x
x = 1,641,134,295,555.89/1,257,473.97 - Step 6: Final answer
x = 1,305,103.99
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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.