Finding the Fourth Proportional to 1,072,329.62, 1,480,389.48 and 826,778.06
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Solution
The fourth proportional to 1,072,329.62, 1,480,389.48 and 826,778.06 is: 1,141,396.75
Step by Step Solution
- Step 1: Write the proportion equation
1,072,329.62 : 1,480,389.48 = 826,778.06 : x - Step 2: Convert to fraction form
1,072,329.62/1,480,389.48 = 826,778.06/x - Step 3: Cross multiply
1,072,329.62x = 1,480,389.48 × 826,778.06 - Step 4: Simplify right side
1,072,329.62x = 1,223,953,542,318.81 - Step 5: Solve for x
x = 1,223,953,542,318.81/1,072,329.62 - Step 6: Final answer
x = 1,141,396.75
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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.