Finding the Fourth Proportional to 1,167,153.12, 1,610,683.56 and 657,855.50
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Solution
The fourth proportional to 1,167,153.12, 1,610,683.56 and 657,855.50 is: 907,847.49
Step by Step Solution
- Step 1: Write the proportion equation
1,167,153.12 : 1,610,683.56 = 657,855.50 : x - Step 2: Convert to fraction form
1,167,153.12/1,610,683.56 = 657,855.50/x - Step 3: Cross multiply
1,167,153.12x = 1,610,683.56 × 657,855.50 - Step 4: Simplify right side
1,167,153.12x = 1,059,597,030,652.16 - Step 5: Solve for x
x = 1,059,597,030,652.16/1,167,153.12 - Step 6: Final answer
x = 907,847.49
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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.