Finding the Fourth Proportional to 1,136,201.85, 1,567,297.35 and 728,158.68
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Solution
The fourth proportional to 1,136,201.85, 1,567,297.35 and 728,158.68 is: 1,004,435.23
Step by Step Solution
- Step 1: Write the proportion equation
1,136,201.85 : 1,567,297.35 = 728,158.68 : x - Step 2: Convert to fraction form
1,136,201.85/1,567,297.35 = 728,158.68/x - Step 3: Cross multiply
1,136,201.85x = 1,567,297.35 × 728,158.68 - Step 4: Simplify right side
1,136,201.85x = 1,141,241,169,543.50 - Step 5: Solve for x
x = 1,141,241,169,543.50/1,136,201.85 - Step 6: Final answer
x = 1,004,435.23
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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.