Finding the Fourth Proportional to 1,156,195.99, 1,595,509.75 and 639,950.88
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Solution
The fourth proportional to 1,156,195.99, 1,595,509.75 and 639,950.88 is: 883,109.68
Step by Step Solution
- Step 1: Write the proportion equation
1,156,195.99 : 1,595,509.75 = 639,950.88 : x - Step 2: Convert to fraction form
1,156,195.99/1,595,509.75 = 639,950.88/x - Step 3: Cross multiply
1,156,195.99x = 1,595,509.75 × 639,950.88 - Step 4: Simplify right side
1,156,195.99x = 1,021,047,868,561.08 - Step 5: Solve for x
x = 1,021,047,868,561.08/1,156,195.99 - Step 6: Final answer
x = 883,109.68
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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.