Finding the Fourth Proportional to 1,135,918.76, 1,567,515.12 and 652,143.44
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Solution
The fourth proportional to 1,135,918.76, 1,567,515.12 and 652,143.44 is: 899,927.65
Step by Step Solution
- Step 1: Write the proportion equation
1,135,918.76 : 1,567,515.12 = 652,143.44 : x - Step 2: Convert to fraction form
1,135,918.76/1,567,515.12 = 652,143.44/x - Step 3: Cross multiply
1,135,918.76x = 1,567,515.12 × 652,143.44 - Step 4: Simplify right side
1,135,918.76x = 1,022,244,702,608.81 - Step 5: Solve for x
x = 1,022,244,702,608.81/1,135,918.76 - Step 6: Final answer
x = 899,927.65
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1.5x scale
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.