Finding the Fourth Proportional to 1,299,228.39, 1,948,843.58 and 352,599.12
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Solution
The fourth proportional to 1,299,228.39, 1,948,843.58 and 352,599.12 is: 528,898.95
Step by Step Solution
- Step 1: Write the proportion equation
1,299,228.39 : 1,948,843.58 = 352,599.12 : x - Step 2: Convert to fraction form
1,299,228.39/1,948,843.58 = 352,599.12/x - Step 3: Cross multiply
1,299,228.39x = 1,948,843.58 × 352,599.12 - Step 4: Simplify right side
1,299,228.39x = 687,160,529,562.65 - Step 5: Solve for x
x = 687,160,529,562.65/1,299,228.39 - Step 6: Final answer
x = 528,898.95
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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.