Finding the Fourth Proportional to 1,348,116.32, 1,860,413.19 and 767,311.09
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Solution
The fourth proportional to 1,348,116.32, 1,860,413.19 and 767,311.09 is: 1,058,896.51
Step by Step Solution
- Step 1: Write the proportion equation
1,348,116.32 : 1,860,413.19 = 767,311.09 : x - Step 2: Convert to fraction form
1,348,116.32/1,860,413.19 = 767,311.09/x - Step 3: Cross multiply
1,348,116.32x = 1,860,413.19 × 767,311.09 - Step 4: Simplify right side
1,348,116.32x = 1,427,515,672,669.28 - Step 5: Solve for x
x = 1,427,515,672,669.28/1,348,116.32 - Step 6: Final answer
x = 1,058,896.51
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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.