Finding the Fourth Proportional to 1,125,132.06, 1,552,296.12 and 641,348.22
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Solution
The fourth proportional to 1,125,132.06, 1,552,296.12 and 641,348.22 is: 884,840.45
Step by Step Solution
- Step 1: Write the proportion equation
1,125,132.06 : 1,552,296.12 = 641,348.22 : x - Step 2: Convert to fraction form
1,125,132.06/1,552,296.12 = 641,348.22/x - Step 3: Cross multiply
1,125,132.06x = 1,552,296.12 × 641,348.22 - Step 4: Simplify right side
1,125,132.06x = 995,562,353,474.91 - Step 5: Solve for x
x = 995,562,353,474.91/1,125,132.06 - Step 6: Final answer
x = 884,840.45
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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.