Finding the Fourth Proportional to 1,217,844.19, 1,827,171.98 and 408,308.71
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Solution
The fourth proportional to 1,217,844.19, 1,827,171.98 and 408,308.71 is: 612,599.08
Step by Step Solution
- Step 1: Write the proportion equation
1,217,844.19 : 1,827,171.98 = 408,308.71 : x - Step 2: Convert to fraction form
1,217,844.19/1,827,171.98 = 408,308.71/x - Step 3: Cross multiply
1,217,844.19x = 1,827,171.98 × 408,308.71 - Step 4: Simplify right side
1,217,844.19x = 746,050,234,101.95 - Step 5: Solve for x
x = 746,050,234,101.95/1,217,844.19 - Step 6: Final answer
x = 612,599.08
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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.