Finding the Fourth Proportional to 1,301,258.05, 1,795,792.19 and 720,481.12
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Solution
The fourth proportional to 1,301,258.05, 1,795,792.19 and 720,481.12 is: 994,294.99
Step by Step Solution
- Step 1: Write the proportion equation
1,301,258.05 : 1,795,792.19 = 720,481.12 : x - Step 2: Convert to fraction form
1,301,258.05/1,795,792.19 = 720,481.12/x - Step 3: Cross multiply
1,301,258.05x = 1,795,792.19 × 720,481.12 - Step 4: Simplify right side
1,301,258.05x = 1,293,834,360,246.57 - Step 5: Solve for x
x = 1,293,834,360,246.57/1,301,258.05 - Step 6: Final answer
x = 994,294.99
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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.