Finding the Fourth Proportional to 1,193,652.12, 1,647,235.24 and 649,818.12
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Solution
The fourth proportional to 1,193,652.12, 1,647,235.24 and 649,818.12 is: 896,746.45
Step by Step Solution
- Step 1: Write the proportion equation
1,193,652.12 : 1,647,235.24 = 649,818.12 : x - Step 2: Convert to fraction form
1,193,652.12/1,647,235.24 = 649,818.12/x - Step 3: Cross multiply
1,193,652.12x = 1,647,235.24 × 649,818.12 - Step 4: Simplify right side
1,193,652.12x = 1,070,403,306,854.55 - Step 5: Solve for x
x = 1,070,403,306,854.55/1,193,652.12 - Step 6: Final answer
x = 896,746.45
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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.