Finding the Fourth Proportional to 1,252,826.68, 1,728,905.36 and 679,866.72
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Solution
The fourth proportional to 1,252,826.68, 1,728,905.36 and 679,866.72 is: 938,218.54
Step by Step Solution
- Step 1: Write the proportion equation
1,252,826.68 : 1,728,905.36 = 679,866.72 : x - Step 2: Convert to fraction form
1,252,826.68/1,728,905.36 = 679,866.72/x - Step 3: Cross multiply
1,252,826.68x = 1,728,905.36 × 679,866.72 - Step 4: Simplify right side
1,252,826.68x = 1,175,425,216,293.62 - Step 5: Solve for x
x = 1,175,425,216,293.62/1,252,826.68 - Step 6: Final answer
x = 938,218.54
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1.5x scale
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.