Finding the Fourth Proportional to 943,605.20, 1,294,851.08 and 858,069.20
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Solution
The fourth proportional to 943,605.20, 1,294,851.08 and 858,069.20 is: 1,177,475.31
Step by Step Solution
- Step 1: Write the proportion equation
943,605.20 : 1,294,851.08 = 858,069.20 : x - Step 2: Convert to fraction form
943,605.20/1,294,851.08 = 858,069.20/x - Step 3: Cross multiply
943,605.20x = 1,294,851.08 × 858,069.20 - Step 4: Simplify right side
943,605.20x = 1,111,071,819,570.13 - Step 5: Solve for x
x = 1,111,071,819,570.13/943,605.20 - Step 6: Final answer
x = 1,177,475.31
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.