Finding the Fourth Proportional to 1,170,014.09, 1,755,021.14 and 283,550.09
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Solution
The fourth proportional to 1,170,014.09, 1,755,021.14 and 283,550.09 is: 425,325.14
Step by Step Solution
- Step 1: Write the proportion equation
1,170,014.09 : 1,755,021.14 = 283,550.09 : x - Step 2: Convert to fraction form
1,170,014.09/1,755,021.14 = 283,550.09/x - Step 3: Cross multiply
1,170,014.09x = 1,755,021.14 × 283,550.09 - Step 4: Simplify right side
1,170,014.09x = 497,636,402,198.90 - Step 5: Solve for x
x = 497,636,402,198.90/1,170,014.09 - Step 6: Final answer
x = 425,325.14
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1.5x scale
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.