Finding the Fourth Proportional to 1,373,208.84, 2,059,813.44 and 426,579.48
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Solution
The fourth proportional to 1,373,208.84, 2,059,813.44 and 426,579.48 is: 639,869.28
Step by Step Solution
- Step 1: Write the proportion equation
1,373,208.84 : 2,059,813.44 = 426,579.48 : x - Step 2: Convert to fraction form
1,373,208.84/2,059,813.44 = 426,579.48/x - Step 3: Cross multiply
1,373,208.84x = 2,059,813.44 × 426,579.48 - Step 4: Simplify right side
1,373,208.84x = 878,674,146,132.21 - Step 5: Solve for x
x = 878,674,146,132.21/1,373,208.84 - Step 6: Final answer
x = 639,869.28
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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.