Finding the Fourth Proportional to 1,260,556.07, 1,739,497.41 and 716,616.36
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Solution
The fourth proportional to 1,260,556.07, 1,739,497.41 and 716,616.36 is: 988,890.81
Step by Step Solution
- Step 1: Write the proportion equation
1,260,556.07 : 1,739,497.41 = 716,616.36 : x - Step 2: Convert to fraction form
1,260,556.07/1,739,497.41 = 716,616.36/x - Step 3: Cross multiply
1,260,556.07x = 1,739,497.41 × 716,616.36 - Step 4: Simplify right side
1,260,556.07x = 1,246,552,302,183.63 - Step 5: Solve for x
x = 1,246,552,302,183.63/1,260,556.07 - Step 6: Final answer
x = 988,890.81
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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.