Finding the Fourth Proportional to 1,126,712.07, 1,688,930.87 and 706,283.19
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Solution
The fourth proportional to 1,126,712.07, 1,688,930.87 and 706,283.19 is: 1,058,711.90
Step by Step Solution
- Step 1: Write the proportion equation
1,126,712.07 : 1,688,930.87 = 706,283.19 : x - Step 2: Convert to fraction form
1,126,712.07/1,688,930.87 = 706,283.19/x - Step 3: Cross multiply
1,126,712.07x = 1,688,930.87 × 706,283.19 - Step 4: Simplify right side
1,126,712.07x = 1,192,863,479,021.66 - Step 5: Solve for x
x = 1,192,863,479,021.66/1,126,712.07 - Step 6: Final answer
x = 1,058,711.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.