Finding the Fourth Proportional to 1,412,160.12, 1,948,783.32 and 767,578.68
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Solution
The fourth proportional to 1,412,160.12, 1,948,783.32 and 767,578.68 is: 1,059,259.86
Step by Step Solution
- Step 1: Write the proportion equation
1,412,160.12 : 1,948,783.32 = 767,578.68 : x - Step 2: Convert to fraction form
1,412,160.12/1,948,783.32 = 767,578.68/x - Step 3: Cross multiply
1,412,160.12x = 1,948,783.32 × 767,578.68 - Step 4: Simplify right side
1,412,160.12x = 1,495,844,528,371.62 - Step 5: Solve for x
x = 1,495,844,528,371.62/1,412,160.12 - Step 6: Final answer
x = 1,059,259.86
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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.