Finding the Fourth Proportional to 1,409,657.29, 1,945,328.99 and 765,077.49
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Solution
The fourth proportional to 1,409,657.29, 1,945,328.99 and 765,077.49 is: 1,055,807.99
Step by Step Solution
- Step 1: Write the proportion equation
1,409,657.29 : 1,945,328.99 = 765,077.49 : x - Step 2: Convert to fraction form
1,409,657.29/1,945,328.99 = 765,077.49/x - Step 3: Cross multiply
1,409,657.29x = 1,945,328.99 × 765,077.49 - Step 4: Simplify right side
1,409,657.29x = 1,488,327,424,363.03 - Step 5: Solve for x
x = 1,488,327,424,363.03/1,409,657.29 - Step 6: Final answer
x = 1,055,807.99
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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.