Finding the Fourth Proportional to 1,131,975.71, 1,697,746.84 and 439,542.65
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Solution
The fourth proportional to 1,131,975.71, 1,697,746.84 and 439,542.65 is: 659,229.82
Step by Step Solution
- Step 1: Write the proportion equation
1,131,975.71 : 1,697,746.84 = 439,542.65 : x - Step 2: Convert to fraction form
1,131,975.71/1,697,746.84 = 439,542.65/x - Step 3: Cross multiply
1,131,975.71x = 1,697,746.84 × 439,542.65 - Step 4: Simplify right side
1,131,975.71x = 746,232,148,228.24 - Step 5: Solve for x
x = 746,232,148,228.24/1,131,975.71 - Step 6: Final answer
x = 659,229.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.