Finding the Fourth Proportional to 1,324,518.08, 1,986,590.48 and 425,845.62
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Solution
The fourth proportional to 1,324,518.08, 1,986,590.48 and 425,845.62 is: 638,708.42
Step by Step Solution
- Step 1: Write the proportion equation
1,324,518.08 : 1,986,590.48 = 425,845.62 : x - Step 2: Convert to fraction form
1,324,518.08/1,986,590.48 = 425,845.62/x - Step 3: Cross multiply
1,324,518.08x = 1,986,590.48 × 425,845.62 - Step 4: Simplify right side
1,324,518.08x = 845,980,852,512.47 - Step 5: Solve for x
x = 845,980,852,512.47/1,324,518.08 - Step 6: Final answer
x = 638,708.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.