Finding the Fourth Proportional to 1,219,865.16, 1,683,450.81 and 675,950.07
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Solution
The fourth proportional to 1,219,865.16, 1,683,450.81 and 675,950.07 is: 932,831.54
Step by Step Solution
- Step 1: Write the proportion equation
1,219,865.16 : 1,683,450.81 = 675,950.07 : x - Step 2: Convert to fraction form
1,219,865.16/1,683,450.81 = 675,950.07/x - Step 3: Cross multiply
1,219,865.16x = 1,683,450.81 × 675,950.07 - Step 4: Simplify right side
1,219,865.16x = 1,137,928,692,861.06 - Step 5: Solve for x
x = 1,137,928,692,861.06/1,219,865.16 - Step 6: Final answer
x = 932,831.54
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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.