Finding the Fourth Proportional to 1,137,940.63, 1,570,224.18 and 628,612.63
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Solution
The fourth proportional to 1,137,940.63, 1,570,224.18 and 628,612.63 is: 867,411.47
Step by Step Solution
- Step 1: Write the proportion equation
1,137,940.63 : 1,570,224.18 = 628,612.63 : x - Step 2: Convert to fraction form
1,137,940.63/1,570,224.18 = 628,612.63/x - Step 3: Cross multiply
1,137,940.63x = 1,570,224.18 × 628,612.63 - Step 4: Simplify right side
1,137,940.63x = 987,062,749,911.13 - Step 5: Solve for x
x = 987,062,749,911.13/1,137,940.63 - Step 6: Final answer
x = 867,411.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.