Finding the Fourth Proportional to 1,079,102.36, 1,489,732.18 and 697,346.94
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Solution
The fourth proportional to 1,079,102.36, 1,489,732.18 and 697,346.94 is: 962,707.72
Step by Step Solution
- Step 1: Write the proportion equation
1,079,102.36 : 1,489,732.18 = 697,346.94 : x - Step 2: Convert to fraction form
1,079,102.36/1,489,732.18 = 697,346.94/x - Step 3: Cross multiply
1,079,102.36x = 1,489,732.18 × 697,346.94 - Step 4: Simplify right side
1,079,102.36x = 1,038,860,177,142.53 - Step 5: Solve for x
x = 1,038,860,177,142.53/1,079,102.36 - Step 6: Final answer
x = 962,707.72
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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.