Finding the Fourth Proportional to 1,125,109.58, 1,552,265.10 and 641,325.74
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Solution
The fourth proportional to 1,125,109.58, 1,552,265.10 and 641,325.74 is: 884,809.43
Step by Step Solution
- Step 1: Write the proportion equation
1,125,109.58 : 1,552,265.10 = 641,325.74 : x - Step 2: Convert to fraction form
1,125,109.58/1,552,265.10 = 641,325.74/x - Step 3: Cross multiply
1,125,109.58x = 1,552,265.10 × 641,325.74 - Step 4: Simplify right side
1,125,109.58x = 995,507,556,172.35 - Step 5: Solve for x
x = 995,507,556,172.35/1,125,109.58 - Step 6: Final answer
x = 884,809.43
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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.