Finding the Fourth Proportional to 1,190,460.65, 1,642,847.75 and 646,607.05
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Solution
The fourth proportional to 1,190,460.65, 1,642,847.75 and 646,607.05 is: 892,324.28
Step by Step Solution
- Step 1: Write the proportion equation
1,190,460.65 : 1,642,847.75 = 646,607.05 : x - Step 2: Convert to fraction form
1,190,460.65/1,642,847.75 = 646,607.05/x - Step 3: Cross multiply
1,190,460.65x = 1,642,847.75 × 646,607.05 - Step 4: Simplify right side
1,190,460.65x = 1,062,276,939,733.70 - Step 5: Solve for x
x = 1,062,276,939,733.70/1,190,460.65 - Step 6: Final answer
x = 892,324.28
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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.