Finding the Fourth Proportional to 1,301,202.81, 1,795,659.62 and 728,242.95
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Solution
The fourth proportional to 1,301,202.81, 1,795,659.62 and 728,242.95 is: 1,004,975.12
Step by Step Solution
- Step 1: Write the proportion equation
1,301,202.81 : 1,795,659.62 = 728,242.95 : x - Step 2: Convert to fraction form
1,301,202.81/1,795,659.62 = 728,242.95/x - Step 3: Cross multiply
1,301,202.81x = 1,795,659.62 × 728,242.95 - Step 4: Simplify right side
1,301,202.81x = 1,307,676,455,223.46 - Step 5: Solve for x
x = 1,307,676,455,223.46/1,301,202.81 - Step 6: Final answer
x = 1,004,975.12
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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.