Finding the Fourth Proportional to 1,260,443.73, 1,739,559.39 and 716,660.99
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Solution
The fourth proportional to 1,260,443.73, 1,739,559.39 and 716,660.99 is: 989,075.77
Step by Step Solution
- Step 1: Write the proportion equation
1,260,443.73 : 1,739,559.39 = 716,660.99 : x - Step 2: Convert to fraction form
1,260,443.73/1,739,559.39 = 716,660.99/x - Step 3: Cross multiply
1,260,443.73x = 1,739,559.39 × 716,660.99 - Step 4: Simplify right side
1,260,443.73x = 1,246,674,358,663.00 - Step 5: Solve for x
x = 1,246,674,358,663.00/1,260,443.73 - Step 6: Final answer
x = 989,075.77
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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.