Finding the Fourth Proportional to 1,430,072.96, 1,973,413.44 and 785,367.68
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Solution
The fourth proportional to 1,430,072.96, 1,973,413.44 and 785,367.68 is: 1,083,759.49
Step by Step Solution
- Step 1: Write the proportion equation
1,430,072.96 : 1,973,413.44 = 785,367.68 : x - Step 2: Convert to fraction form
1,430,072.96/1,973,413.44 = 785,367.68/x - Step 3: Cross multiply
1,430,072.96x = 1,973,413.44 × 785,367.68 - Step 4: Simplify right side
1,430,072.96x = 1,549,855,135,053.62 - Step 5: Solve for x
x = 1,549,855,135,053.62/1,430,072.96 - Step 6: Final answer
x = 1,083,759.49
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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.