Finding the Fourth Proportional to 1,321,254.08, 1,823,354.66 and 748,413.20
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Solution
The fourth proportional to 1,321,254.08, 1,823,354.66 and 748,413.20 is: 1,032,823.83
Step by Step Solution
- Step 1: Write the proportion equation
1,321,254.08 : 1,823,354.66 = 748,413.20 : x - Step 2: Convert to fraction form
1,321,254.08/1,823,354.66 = 748,413.20/x - Step 3: Cross multiply
1,321,254.08x = 1,823,354.66 × 748,413.20 - Step 4: Simplify right side
1,321,254.08x = 1,364,622,695,825.51 - Step 5: Solve for x
x = 1,364,622,695,825.51/1,321,254.08 - Step 6: Final answer
x = 1,032,823.83
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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.