Finding the Fourth Proportional to 1,418,123.58, 2,125,411.46 and 708,349.74
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Solution
The fourth proportional to 1,418,123.58, 2,125,411.46 and 708,349.74 is: 1,061,638.55
Step by Step Solution
- Step 1: Write the proportion equation
1,418,123.58 : 2,125,411.46 = 708,349.74 : x - Step 2: Convert to fraction form
1,418,123.58/2,125,411.46 = 708,349.74/x - Step 3: Cross multiply
1,418,123.58x = 2,125,411.46 × 708,349.74 - Step 4: Simplify right side
1,418,123.58x = 1,505,534,655,084.02 - Step 5: Solve for x
x = 1,505,534,655,084.02/1,418,123.58 - Step 6: Final answer
x = 1,061,638.55
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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.