Finding the Fourth Proportional to 1,685,708.64, 2,528,563.68 and 786,852
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Solution
The fourth proportional to 1,685,708.64, 2,528,563.68 and 786,852 is: 1,180,278.34
Step by Step Solution
- Step 1: Write the proportion equation
1,685,708.64 : 2,528,563.68 = 786,852 : x - Step 2: Convert to fraction form
1,685,708.64/2,528,563.68 = 786,852/x - Step 3: Cross multiply
1,685,708.64x = 2,528,563.68 × 786,852 - Step 4: Simplify right side
1,685,708.64x = 1,989,605,388,735.36 - Step 5: Solve for x
x = 1,989,605,388,735.36/1,685,708.64 - Step 6: Final answer
x = 1,180,278.34
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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.