Finding the Fourth Proportional to 1,377,585.16, 1,901,074.43 and 765,794.68
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Solution
The fourth proportional to 1,377,585.16, 1,901,074.43 and 765,794.68 is: 1,056,800.50
Step by Step Solution
- Step 1: Write the proportion equation
1,377,585.16 : 1,901,074.43 = 765,794.68 : x - Step 2: Convert to fraction form
1,377,585.16/1,901,074.43 = 765,794.68/x - Step 3: Cross multiply
1,377,585.16x = 1,901,074.43 × 765,794.68 - Step 4: Simplify right side
1,377,585.16x = 1,455,832,681,939.83 - Step 5: Solve for x
x = 1,455,832,681,939.83/1,377,585.16 - Step 6: Final answer
x = 1,056,800.50
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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.