Finding the Fourth Proportional to 1,190,024.99, 1,642,189.64 and 646,149.02
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Solution
The fourth proportional to 1,190,024.99, 1,642,189.64 and 646,149.02 is: 891,661.30
Step by Step Solution
- Step 1: Write the proportion equation
1,190,024.99 : 1,642,189.64 = 646,149.02 : x - Step 2: Convert to fraction form
1,190,024.99/1,642,189.64 = 646,149.02/x - Step 3: Cross multiply
1,190,024.99x = 1,642,189.64 × 646,149.02 - Step 4: Simplify right side
1,190,024.99x = 1,061,099,226,540.15 - Step 5: Solve for x
x = 1,061,099,226,540.15/1,190,024.99 - Step 6: Final answer
x = 891,661.30
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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.