Finding the Fourth Proportional to 1,132,588.70, 1,698,882.63 and 412,984.70
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Solution
The fourth proportional to 1,132,588.70, 1,698,882.63 and 412,984.70 is: 619,476.90
Step by Step Solution
- Step 1: Write the proportion equation
1,132,588.70 : 1,698,882.63 = 412,984.70 : x - Step 2: Convert to fraction form
1,132,588.70/1,698,882.63 = 412,984.70/x - Step 3: Cross multiply
1,132,588.70x = 1,698,882.63 × 412,984.70 - Step 4: Simplify right side
1,132,588.70x = 701,612,533,285.76 - Step 5: Solve for x
x = 701,612,533,285.76/1,132,588.70 - Step 6: Final answer
x = 619,476.90
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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.