Finding the Fourth Proportional to 1,333,693.20, 1,999,072.08 and 658,775.28
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Solution
The fourth proportional to 1,333,693.20, 1,999,072.08 and 658,775.28 is: 987,437.94
Step by Step Solution
- Step 1: Write the proportion equation
1,333,693.20 : 1,999,072.08 = 658,775.28 : x - Step 2: Convert to fraction form
1,333,693.20/1,999,072.08 = 658,775.28/x - Step 3: Cross multiply
1,333,693.20x = 1,999,072.08 × 658,775.28 - Step 4: Simplify right side
1,333,693.20x = 1,316,939,269,242.18 - Step 5: Solve for x
x = 1,316,939,269,242.18/1,333,693.20 - Step 6: Final answer
x = 987,437.94
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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.