Finding the Fourth Proportional to 1,057,285.99, 1,457,982.21 and 904,830.22
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Solution
The fourth proportional to 1,057,285.99, 1,457,982.21 and 904,830.22 is: 1,247,747.89
Step by Step Solution
- Step 1: Write the proportion equation
1,057,285.99 : 1,457,982.21 = 904,830.22 : x - Step 2: Convert to fraction form
1,057,285.99/1,457,982.21 = 904,830.22/x - Step 3: Cross multiply
1,057,285.99x = 1,457,982.21 × 904,830.22 - Step 4: Simplify right side
1,057,285.99x = 1,319,226,363,830.39 - Step 5: Solve for x
x = 1,319,226,363,830.39/1,057,285.99 - Step 6: Final answer
x = 1,247,747.89
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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.