Finding the Fourth Proportional to 1,257,349.17, 1,886,396.13 and 725,252.07
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Solution
The fourth proportional to 1,257,349.17, 1,886,396.13 and 725,252.07 is: 1,088,092.89
Step by Step Solution
- Step 1: Write the proportion equation
1,257,349.17 : 1,886,396.13 = 725,252.07 : x - Step 2: Convert to fraction form
1,257,349.17/1,886,396.13 = 725,252.07/x - Step 3: Cross multiply
1,257,349.17x = 1,886,396.13 × 725,252.07 - Step 4: Simplify right side
1,257,349.17x = 1,368,112,698,122.49 - Step 5: Solve for x
x = 1,368,112,698,122.49/1,257,349.17 - Step 6: Final answer
x = 1,088,092.89
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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.