Finding the Fourth Proportional to 1,340,382.99, 1,849,719.86 and 767,533.88
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Solution
The fourth proportional to 1,340,382.99, 1,849,719.86 and 767,533.88 is: 1,059,191.79
Step by Step Solution
- Step 1: Write the proportion equation
1,340,382.99 : 1,849,719.86 = 767,533.88 : x - Step 2: Convert to fraction form
1,340,382.99/1,849,719.86 = 767,533.88/x - Step 3: Cross multiply
1,340,382.99x = 1,849,719.86 × 767,533.88 - Step 4: Simplify right side
1,340,382.99x = 1,419,722,664,723.74 - Step 5: Solve for x
x = 1,419,722,664,723.74/1,340,382.99 - Step 6: Final answer
x = 1,059,191.79
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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.