Finding the Fourth Proportional to 1,124,565.44, 1,552,149.42 and 776,195.08
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Solution
The fourth proportional to 1,124,565.44, 1,552,149.42 and 776,195.08 is: 1,071,321.15
Step by Step Solution
- Step 1: Write the proportion equation
1,124,565.44 : 1,552,149.42 = 776,195.08 : x - Step 2: Convert to fraction form
1,124,565.44/1,552,149.42 = 776,195.08/x - Step 3: Cross multiply
1,124,565.44x = 1,552,149.42 × 776,195.08 - Step 4: Simplify right side
1,124,565.44x = 1,204,770,743,228.85 - Step 5: Solve for x
x = 1,204,770,743,228.85/1,124,565.44 - Step 6: Final answer
x = 1,071,321.15
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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.