Finding the Fourth Proportional to 1,323,430.22, 1,984,274.18 and 872,777
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Solution
The fourth proportional to 1,323,430.22, 1,984,274.18 and 872,777 is: 1,308,590.99
Step by Step Solution
- Step 1: Write the proportion equation
1,323,430.22 : 1,984,274.18 = 872,777 : x - Step 2: Convert to fraction form
1,323,430.22/1,984,274.18 = 872,777/x - Step 3: Cross multiply
1,323,430.22x = 1,984,274.18 × 872,777 - Step 4: Simplify right side
1,323,430.22x = 1,731,828,865,997.86 - Step 5: Solve for x
x = 1,731,828,865,997.86/1,323,430.22 - Step 6: Final answer
x = 1,308,590.99
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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.