Finding the Fourth Proportional to 1,129,831.38, 1,694,805.39 and 288,390.42
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Solution
The fourth proportional to 1,129,831.38, 1,694,805.39 and 288,390.42 is: 432,600.52
Step by Step Solution
- Step 1: Write the proportion equation
1,129,831.38 : 1,694,805.39 = 288,390.42 : x - Step 2: Convert to fraction form
1,129,831.38/1,694,805.39 = 288,390.42/x - Step 3: Cross multiply
1,129,831.38x = 1,694,805.39 × 288,390.42 - Step 4: Simplify right side
1,129,831.38x = 488,765,638,240.36 - Step 5: Solve for x
x = 488,765,638,240.36/1,129,831.38 - Step 6: Final answer
x = 432,600.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.