Finding the Fourth Proportional to 1,252,425.58, 1,728,350.58 and 679,465.76
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Solution
The fourth proportional to 1,252,425.58, 1,728,350.58 and 679,465.76 is: 937,664.52
Step by Step Solution
- Step 1: Write the proportion equation
1,252,425.58 : 1,728,350.58 = 679,465.76 : x - Step 2: Convert to fraction form
1,252,425.58/1,728,350.58 = 679,465.76/x - Step 3: Cross multiply
1,252,425.58x = 1,728,350.58 × 679,465.76 - Step 4: Simplify right side
1,252,425.58x = 1,174,355,028,347.06 - Step 5: Solve for x
x = 1,174,355,028,347.06/1,252,425.58 - Step 6: Final answer
x = 937,664.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.