Finding the Fourth Proportional to 1,260,459.92, 1,739,581.75 and 716,677.19
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Solution
The fourth proportional to 1,260,459.92, 1,739,581.75 and 716,677.19 is: 989,098.14
Step by Step Solution
- Step 1: Write the proportion equation
1,260,459.92 : 1,739,581.75 = 716,677.19 : x - Step 2: Convert to fraction form
1,260,459.92/1,739,581.75 = 716,677.19/x - Step 3: Cross multiply
1,260,459.92x = 1,739,581.75 × 716,677.19 - Step 4: Simplify right side
1,260,459.92x = 1,246,718,560,365.28 - Step 5: Solve for x
x = 1,246,718,560,365.28/1,260,459.92 - Step 6: Final answer
x = 989,098.14
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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.