Finding the Fourth Proportional to 1,069,823.08, 1,595,170.13 and 1,040,429.80
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Solution
The fourth proportional to 1,069,823.08, 1,595,170.13 and 1,040,429.80 is: 1,551,342.99
Step by Step Solution
- Step 1: Write the proportion equation
1,069,823.08 : 1,595,170.13 = 1,040,429.80 : x - Step 2: Convert to fraction form
1,069,823.08/1,595,170.13 = 1,040,429.80/x - Step 3: Cross multiply
1,069,823.08x = 1,595,170.13 × 1,040,429.80 - Step 4: Simplify right side
1,069,823.08x = 1,659,662,539,321.87 - Step 5: Solve for x
x = 1,659,662,539,321.87/1,069,823.08 - Step 6: Final answer
x = 1,551,342.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.