Finding the Fourth Proportional to 1,358,141.65, 1,874,125.77 and 785,218.75
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Solution
The fourth proportional to 1,358,141.65, 1,874,125.77 and 785,218.75 is: 1,083,538.45
Step by Step Solution
- Step 1: Write the proportion equation
1,358,141.65 : 1,874,125.77 = 785,218.75 : x - Step 2: Convert to fraction form
1,358,141.65/1,874,125.77 = 785,218.75/x - Step 3: Cross multiply
1,358,141.65x = 1,874,125.77 × 785,218.75 - Step 4: Simplify right side
1,358,141.65x = 1,471,598,694,462.19 - Step 5: Solve for x
x = 1,471,598,694,462.19/1,358,141.65 - Step 6: Final answer
x = 1,083,538.45
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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.