Finding the Fourth Proportional to 1,129,516.34, 1,693,831.70 and 409,686.62
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Solution
The fourth proportional to 1,129,516.34, 1,693,831.70 and 409,686.62 is: 614,369.32
Step by Step Solution
- Step 1: Write the proportion equation
1,129,516.34 : 1,693,831.70 = 409,686.62 : x - Step 2: Convert to fraction form
1,129,516.34/1,693,831.70 = 409,686.62/x - Step 3: Cross multiply
1,129,516.34x = 1,693,831.70 × 409,686.62 - Step 4: Simplify right side
1,129,516.34x = 693,940,184,021.85 - Step 5: Solve for x
x = 693,940,184,021.85/1,129,516.34 - Step 6: Final answer
x = 614,369.32
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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.