Finding the Fourth Proportional to 1,393,831.53, 1,922,778.54 and 910,679.49
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Solution
The fourth proportional to 1,393,831.53, 1,922,778.54 and 910,679.49 is: 1,256,274.48
Step by Step Solution
- Step 1: Write the proportion equation
1,393,831.53 : 1,922,778.54 = 910,679.49 : x - Step 2: Convert to fraction form
1,393,831.53/1,922,778.54 = 910,679.49/x - Step 3: Cross multiply
1,393,831.53x = 1,922,778.54 × 910,679.49 - Step 4: Simplify right side
1,393,831.53x = 1,751,034,980,190.14 - Step 5: Solve for x
x = 1,751,034,980,190.14/1,393,831.53 - Step 6: Final answer
x = 1,256,274.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.