Finding the Fourth Proportional to 1,245,594.70, 1,868,105.30 and 487,454.14
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Solution
The fourth proportional to 1,245,594.70, 1,868,105.30 and 487,454.14 is: 731,068.99
Step by Step Solution
- Step 1: Write the proportion equation
1,245,594.70 : 1,868,105.30 = 487,454.14 : x - Step 2: Convert to fraction form
1,245,594.70/1,868,105.30 = 487,454.14/x - Step 3: Cross multiply
1,245,594.70x = 1,868,105.30 × 487,454.14 - Step 4: Simplify right side
1,245,594.70x = 910,615,662,440.94 - Step 5: Solve for x
x = 910,615,662,440.94/1,245,594.70 - Step 6: Final answer
x = 731,068.99
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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.