Finding the Fourth Proportional to 1,126,717.58, 1,688,939.12 and 706,288.70
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Solution
The fourth proportional to 1,126,717.58, 1,688,939.12 and 706,288.70 is: 1,058,720.16
Step by Step Solution
- Step 1: Write the proportion equation
1,126,717.58 : 1,688,939.12 = 706,288.70 : x - Step 2: Convert to fraction form
1,126,717.58/1,688,939.12 = 706,288.70/x - Step 3: Cross multiply
1,126,717.58x = 1,688,939.12 × 706,288.70 - Step 4: Simplify right side
1,126,717.58x = 1,192,878,615,443.94 - Step 5: Solve for x
x = 1,192,878,615,443.94/1,126,717.58 - Step 6: Final answer
x = 1,058,720.16
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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.