Finding the Fourth Proportional to 1,161,332.06, 1,602,584.08 and 645,119.41
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Solution
The fourth proportional to 1,161,332.06, 1,602,584.08 and 645,119.41 is: 890,234.70
Step by Step Solution
- Step 1: Write the proportion equation
1,161,332.06 : 1,602,584.08 = 645,119.41 : x - Step 2: Convert to fraction form
1,161,332.06/1,602,584.08 = 645,119.41/x - Step 3: Cross multiply
1,161,332.06x = 1,602,584.08 × 645,119.41 - Step 4: Simplify right side
1,161,332.06x = 1,033,858,096,164.99 - Step 5: Solve for x
x = 1,033,858,096,164.99/1,161,332.06 - Step 6: Final answer
x = 890,234.70
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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.