Finding the Fourth Proportional to 1,134,821.56, 1,566,006.62 and 618,564.09
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Solution
The fourth proportional to 1,134,821.56, 1,566,006.62 and 618,564.09 is: 853,592.75
Step by Step Solution
- Step 1: Write the proportion equation
1,134,821.56 : 1,566,006.62 = 618,564.09 : x - Step 2: Convert to fraction form
1,134,821.56/1,566,006.62 = 618,564.09/x - Step 3: Cross multiply
1,134,821.56x = 1,566,006.62 × 618,564.09 - Step 4: Simplify right side
1,134,821.56x = 968,675,456,741.46 - Step 5: Solve for x
x = 968,675,456,741.46/1,134,821.56 - Step 6: Final answer
x = 853,592.75
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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.