Finding the Fourth Proportional to 1,021,068.39, 1,531,831.01 and 311,151.99
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Solution
The fourth proportional to 1,021,068.39, 1,531,831.01 and 311,151.99 is: 466,797.59
Step by Step Solution
- Step 1: Write the proportion equation
1,021,068.39 : 1,531,831.01 = 311,151.99 : x - Step 2: Convert to fraction form
1,021,068.39/1,531,831.01 = 311,151.99/x - Step 3: Cross multiply
1,021,068.39x = 1,531,831.01 × 311,151.99 - Step 4: Simplify right side
1,021,068.39x = 476,632,265,549.45 - Step 5: Solve for x
x = 476,632,265,549.45/1,021,068.39 - Step 6: Final answer
x = 466,797.59
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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.