Finding the Fourth Proportional to 1,103,090.10, 1,652,885.55 and 728,675.70
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Solution
The fourth proportional to 1,103,090.10, 1,652,885.55 and 728,675.70 is: 1,091,857.80
Step by Step Solution
- Step 1: Write the proportion equation
1,103,090.10 : 1,652,885.55 = 728,675.70 : x - Step 2: Convert to fraction form
1,103,090.10/1,652,885.55 = 728,675.70/x - Step 3: Cross multiply
1,103,090.10x = 1,652,885.55 × 728,675.70 - Step 4: Simplify right side
1,103,090.10x = 1,204,417,535,166.14 - Step 5: Solve for x
x = 1,204,417,535,166.14/1,103,090.10 - Step 6: Final answer
x = 1,091,857.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.