Finding the Fourth Proportional to 1,117,958.32, 1,676,702.36 and 359,867.56
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Solution
The fourth proportional to 1,117,958.32, 1,676,702.36 and 359,867.56 is: 539,725.66
Step by Step Solution
- Step 1: Write the proportion equation
1,117,958.32 : 1,676,702.36 = 359,867.56 : x - Step 2: Convert to fraction form
1,117,958.32/1,676,702.36 = 359,867.56/x - Step 3: Cross multiply
1,117,958.32x = 1,676,702.36 × 359,867.56 - Step 4: Simplify right side
1,117,958.32x = 603,390,787,139.44 - Step 5: Solve for x
x = 603,390,787,139.44/1,117,958.32 - Step 6: Final answer
x = 539,725.66
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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.