Finding the Fourth Proportional to 1,261,921.24, 1,892,898.24 and 363,377.71
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Solution
The fourth proportional to 1,261,921.24, 1,892,898.24 and 363,377.71 is: 545,071.28
Step by Step Solution
- Step 1: Write the proportion equation
1,261,921.24 : 1,892,898.24 = 363,377.71 : x - Step 2: Convert to fraction form
1,261,921.24/1,892,898.24 = 363,377.71/x - Step 3: Cross multiply
1,261,921.24x = 1,892,898.24 × 363,377.71 - Step 4: Simplify right side
1,261,921.24x = 687,837,027,714.23 - Step 5: Solve for x
x = 687,837,027,714.23/1,261,921.24 - Step 6: Final answer
x = 545,071.28
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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.