Finding the Fourth Proportional to 1,171,689.92, 1,616,831.52 and 681,750.08
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Solution
The fourth proportional to 1,171,689.92, 1,616,831.52 and 681,750.08 is: 940,756.59
Step by Step Solution
- Step 1: Write the proportion equation
1,171,689.92 : 1,616,831.52 = 681,750.08 : x - Step 2: Convert to fraction form
1,171,689.92/1,616,831.52 = 681,750.08/x - Step 3: Cross multiply
1,171,689.92x = 1,616,831.52 × 681,750.08 - Step 4: Simplify right side
1,171,689.92x = 1,102,275,018,106.52 - Step 5: Solve for x
x = 1,102,275,018,106.52/1,171,689.92 - Step 6: Final answer
x = 940,756.59
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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.