Finding the Fourth Proportional to 1,575,021.92, 2,361,483.12 and 765,190.40
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Solution
The fourth proportional to 1,575,021.92, 2,361,483.12 and 765,190.40 is: 1,147,275.60
Step by Step Solution
- Step 1: Write the proportion equation
1,575,021.92 : 2,361,483.12 = 765,190.40 : x - Step 2: Convert to fraction form
1,575,021.92/2,361,483.12 = 765,190.40/x - Step 3: Cross multiply
1,575,021.92x = 2,361,483.12 × 765,190.40 - Step 4: Simplify right side
1,575,021.92x = 1,806,984,213,186.05 - Step 5: Solve for x
x = 1,806,984,213,186.05/1,575,021.92 - Step 6: Final answer
x = 1,147,275.60
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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.