Finding the Fourth Proportional to 1,585,523.37, 2,378,648.34 and 687,115.92
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Solution
The fourth proportional to 1,585,523.37, 2,378,648.34 and 687,115.92 is: 1,030,831.32
Step by Step Solution
- Step 1: Write the proportion equation
1,585,523.37 : 2,378,648.34 = 687,115.92 : x - Step 2: Convert to fraction form
1,585,523.37/2,378,648.34 = 687,115.92/x - Step 3: Cross multiply
1,585,523.37x = 2,378,648.34 × 687,115.92 - Step 4: Simplify right side
1,585,523.37x = 1,634,407,142,495.57 - Step 5: Solve for x
x = 1,634,407,142,495.57/1,585,523.37 - Step 6: Final answer
x = 1,030,831.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.