Finding the Fourth Proportional to 1,135,044.15, 1,565,475.20 and 727,183.95
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Solution
The fourth proportional to 1,135,044.15, 1,565,475.20 and 727,183.95 is: 1,002,946.39
Step by Step Solution
- Step 1: Write the proportion equation
1,135,044.15 : 1,565,475.20 = 727,183.95 : x - Step 2: Convert to fraction form
1,135,044.15/1,565,475.20 = 727,183.95/x - Step 3: Cross multiply
1,135,044.15x = 1,565,475.20 × 727,183.95 - Step 4: Simplify right side
1,135,044.15x = 1,138,388,435,927.12 - Step 5: Solve for x
x = 1,138,388,435,927.12/1,135,044.15 - Step 6: Final answer
x = 1,002,946.39
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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.