Finding the Fourth Proportional to 1,272,428.91, 1,908,643.73 and 598,014.99
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Solution
The fourth proportional to 1,272,428.91, 1,908,643.73 and 598,014.99 is: 897,022.65
Step by Step Solution
- Step 1: Write the proportion equation
1,272,428.91 : 1,908,643.73 = 598,014.99 : x - Step 2: Convert to fraction form
1,272,428.91/1,908,643.73 = 598,014.99/x - Step 3: Cross multiply
1,272,428.91x = 1,908,643.73 × 598,014.99 - Step 4: Simplify right side
1,272,428.91x = 1,141,397,558,119.44 - Step 5: Solve for x
x = 1,141,397,558,119.44/1,272,428.91 - Step 6: Final answer
x = 897,022.65
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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.