Finding the Fourth Proportional to 1,197,567.81, 1,795,687.02 and 398,413.08
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Solution
The fourth proportional to 1,197,567.81, 1,795,687.02 and 398,413.08 is: 597,398.49
Step by Step Solution
- Step 1: Write the proportion equation
1,197,567.81 : 1,795,687.02 = 398,413.08 : x - Step 2: Convert to fraction form
1,197,567.81/1,795,687.02 = 398,413.08/x - Step 3: Cross multiply
1,197,567.81x = 1,795,687.02 × 398,413.08 - Step 4: Simplify right side
1,197,567.81x = 715,425,196,354.22 - Step 5: Solve for x
x = 715,425,196,354.22/1,197,567.81 - Step 6: Final answer
x = 597,398.49
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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.