Finding the Fourth Proportional to 1,133,272.78, 1,563,912.82 and 623,975.14
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Solution
The fourth proportional to 1,133,272.78, 1,563,912.82 and 623,975.14 is: 861,083.70
Step by Step Solution
- Step 1: Write the proportion equation
1,133,272.78 : 1,563,912.82 = 623,975.14 : x - Step 2: Convert to fraction form
1,133,272.78/1,563,912.82 = 623,975.14/x - Step 3: Cross multiply
1,133,272.78x = 1,563,912.82 × 623,975.14 - Step 4: Simplify right side
1,133,272.78x = 975,842,720,807.30 - Step 5: Solve for x
x = 975,842,720,807.30/1,133,272.78 - Step 6: Final answer
x = 861,083.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.