Finding the Fourth Proportional to 1,402,992.90, 1,936,130.21 and 758,413.09
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Solution
The fourth proportional to 1,402,992.90, 1,936,130.21 and 758,413.09 is: 1,046,610.07
Step by Step Solution
- Step 1: Write the proportion equation
1,402,992.90 : 1,936,130.21 = 758,413.09 : x - Step 2: Convert to fraction form
1,402,992.90/1,936,130.21 = 758,413.09/x - Step 3: Cross multiply
1,402,992.90x = 1,936,130.21 × 758,413.09 - Step 4: Simplify right side
1,402,992.90x = 1,468,386,495,208.45 - Step 5: Solve for x
x = 1,468,386,495,208.45/1,402,992.90 - Step 6: Final answer
x = 1,046,610.07
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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.