Finding the Fourth Proportional to 1,283,875.65, 1,773,593.92 and 1,025,413.26
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Solution
The fourth proportional to 1,283,875.65, 1,773,593.92 and 1,025,413.26 is: 1,416,544.29
Step by Step Solution
- Step 1: Write the proportion equation
1,283,875.65 : 1,773,593.92 = 1,025,413.26 : x - Step 2: Convert to fraction form
1,283,875.65/1,773,593.92 = 1,025,413.26/x - Step 3: Cross multiply
1,283,875.65x = 1,773,593.92 × 1,025,413.26 - Step 4: Simplify right side
1,283,875.65x = 1,818,666,718,054.17 - Step 5: Solve for x
x = 1,818,666,718,054.17/1,283,875.65 - Step 6: Final answer
x = 1,416,544.29
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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.