Finding the Fourth Proportional to 1,430,615.89, 2,145,590.92 and 532,480.60
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Solution
The fourth proportional to 1,430,615.89, 2,145,590.92 and 532,480.60 is: 798,596.99
Step by Step Solution
- Step 1: Write the proportion equation
1,430,615.89 : 2,145,590.92 = 532,480.60 : x - Step 2: Convert to fraction form
1,430,615.89/2,145,590.92 = 532,480.60/x - Step 3: Cross multiply
1,430,615.89x = 2,145,590.92 × 532,480.60 - Step 4: Simplify right side
1,430,615.89x = 1,142,485,539,760.76 - Step 5: Solve for x
x = 1,142,485,539,760.76/1,430,615.89 - Step 6: Final answer
x = 798,596.99
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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.