Finding the Fourth Proportional to 1,301,186.64, 1,795,646.70 and 728,280.12
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Solution
The fourth proportional to 1,301,186.64, 1,795,646.70 and 728,280.12 is: 1,005,031.68
Step by Step Solution
- Step 1: Write the proportion equation
1,301,186.64 : 1,795,646.70 = 728,280.12 : x - Step 2: Convert to fraction form
1,301,186.64/1,795,646.70 = 728,280.12/x - Step 3: Cross multiply
1,301,186.64x = 1,795,646.70 × 728,280.12 - Step 4: Simplify right side
1,301,186.64x = 1,307,733,794,153.60 - Step 5: Solve for x
x = 1,307,733,794,153.60/1,301,186.64 - Step 6: Final answer
x = 1,005,031.68
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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.