Finding the Fourth Proportional to 1,312,572.24, 1,968,969.42 and 365,943.80
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Solution
The fourth proportional to 1,312,572.24, 1,968,969.42 and 365,943.80 is: 548,946.66
Step by Step Solution
- Step 1: Write the proportion equation
1,312,572.24 : 1,968,969.42 = 365,943.80 : x - Step 2: Convert to fraction form
1,312,572.24/1,968,969.42 = 365,943.80/x - Step 3: Cross multiply
1,312,572.24x = 1,968,969.42 × 365,943.80 - Step 4: Simplify right side
1,312,572.24x = 720,532,151,638.60 - Step 5: Solve for x
x = 720,532,151,638.60/1,312,572.24 - Step 6: Final answer
x = 548,946.66
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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.