Finding the Fourth Proportional to 1,310,646.41, 1,807,760.36 and 874,844.04
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Solution
The fourth proportional to 1,310,646.41, 1,807,760.36 and 874,844.04 is: 1,206,662.87
Step by Step Solution
- Step 1: Write the proportion equation
1,310,646.41 : 1,807,760.36 = 874,844.04 : x - Step 2: Convert to fraction form
1,310,646.41/1,807,760.36 = 874,844.04/x - Step 3: Cross multiply
1,310,646.41x = 1,807,760.36 × 874,844.04 - Step 4: Simplify right side
1,310,646.41x = 1,581,508,363,281.23 - Step 5: Solve for x
x = 1,581,508,363,281.23/1,310,646.41 - Step 6: Final answer
x = 1,206,662.87
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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.