Finding the Fourth Proportional to 1,038,107.25, 1,432,675.49 and 585,485.73
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Solution
The fourth proportional to 1,038,107.25, 1,432,675.49 and 585,485.73 is: 808,019.65
Step by Step Solution
- Step 1: Write the proportion equation
1,038,107.25 : 1,432,675.49 = 585,485.73 : x - Step 2: Convert to fraction form
1,038,107.25/1,432,675.49 = 585,485.73/x - Step 3: Cross multiply
1,038,107.25x = 1,432,675.49 × 585,485.73 - Step 4: Simplify right side
1,038,107.25x = 838,811,052,188.33 - Step 5: Solve for x
x = 838,811,052,188.33/1,038,107.25 - Step 6: Final answer
x = 808,019.65
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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.