Finding the Fourth Proportional to 1,155,816.99, 1,595,147.50 and 665,803.44
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Solution
The fourth proportional to 1,155,816.99, 1,595,147.50 and 665,803.44 is: 918,877.90
Step by Step Solution
- Step 1: Write the proportion equation
1,155,816.99 : 1,595,147.50 = 665,803.44 : x - Step 2: Convert to fraction form
1,155,816.99/1,595,147.50 = 665,803.44/x - Step 3: Cross multiply
1,155,816.99x = 1,595,147.50 × 665,803.44 - Step 4: Simplify right side
1,155,816.99x = 1,062,054,692,807.40 - Step 5: Solve for x
x = 1,062,054,692,807.40/1,155,816.99 - Step 6: Final answer
x = 918,877.90
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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.