Finding the Fourth Proportional to 1,134,129.80, 1,699,226.40 and 734,564.90
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Solution
The fourth proportional to 1,134,129.80, 1,699,226.40 and 734,564.90 is: 1,100,572.50
Step by Step Solution
- Step 1: Write the proportion equation
1,134,129.80 : 1,699,226.40 = 734,564.90 : x - Step 2: Convert to fraction form
1,134,129.80/1,699,226.40 = 734,564.90/x - Step 3: Cross multiply
1,134,129.80x = 1,699,226.40 × 734,564.90 - Step 4: Simplify right side
1,134,129.80x = 1,248,192,070,593.36 - Step 5: Solve for x
x = 1,248,192,070,593.36/1,134,129.80 - Step 6: Final answer
x = 1,100,572.50
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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.