Finding the Fourth Proportional to 1,170,090.30, 1,752,511.05 and 960,138.30
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Solution
The fourth proportional to 1,170,090.30, 1,752,511.05 and 960,138.30 is: 1,438,053.95
Step by Step Solution
- Step 1: Write the proportion equation
1,170,090.30 : 1,752,511.05 = 960,138.30 : x - Step 2: Convert to fraction form
1,170,090.30/1,752,511.05 = 960,138.30/x - Step 3: Cross multiply
1,170,090.30x = 1,752,511.05 × 960,138.30 - Step 4: Simplify right side
1,170,090.30x = 1,682,652,980,278.22 - Step 5: Solve for x
x = 1,682,652,980,278.22/1,170,090.30 - Step 6: Final answer
x = 1,438,053.95
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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.