Finding the Fourth Proportional to 1,239,850.71, 1,711,050.81 and 688,568.94
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Solution
The fourth proportional to 1,239,850.71, 1,711,050.81 and 688,568.94 is: 950,256.70
Step by Step Solution
- Step 1: Write the proportion equation
1,239,850.71 : 1,711,050.81 = 688,568.94 : x - Step 2: Convert to fraction form
1,239,850.71/1,711,050.81 = 688,568.94/x - Step 3: Cross multiply
1,239,850.71x = 1,711,050.81 × 688,568.94 - Step 4: Simplify right side
1,239,850.71x = 1,178,176,442,527.84 - Step 5: Solve for x
x = 1,178,176,442,527.84/1,239,850.71 - Step 6: Final answer
x = 950,256.70
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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.