Finding the Fourth Proportional to 1,452,398.24, 2,173,939.05 and 776,790.20
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Solution
The fourth proportional to 1,452,398.24, 2,173,939.05 and 776,790.20 is: 1,162,693.89
Step by Step Solution
- Step 1: Write the proportion equation
1,452,398.24 : 2,173,939.05 = 776,790.20 : x - Step 2: Convert to fraction form
1,452,398.24/2,173,939.05 = 776,790.20/x - Step 3: Cross multiply
1,452,398.24x = 2,173,939.05 × 776,790.20 - Step 4: Simplify right side
1,452,398.24x = 1,688,694,557,785.12 - Step 5: Solve for x
x = 1,688,694,557,785.12/1,452,398.24 - Step 6: Final answer
x = 1,162,693.89
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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.