Finding the Fourth Proportional to 1,257,439.28, 1,735,167.27 and 713,575.07
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Solution
The fourth proportional to 1,257,439.28, 1,735,167.27 and 713,575.07 is: 984,677.45
Step by Step Solution
- Step 1: Write the proportion equation
1,257,439.28 : 1,735,167.27 = 713,575.07 : x - Step 2: Convert to fraction form
1,257,439.28/1,735,167.27 = 713,575.07/x - Step 3: Cross multiply
1,257,439.28x = 1,735,167.27 × 713,575.07 - Step 4: Simplify right side
1,257,439.28x = 1,238,172,106,151.96 - Step 5: Solve for x
x = 1,238,172,106,151.96/1,257,439.28 - Step 6: Final answer
x = 984,677.45
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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.