Finding the Fourth Proportional to 1,257,201.98, 1,734,938.73 and 684,246.23
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Solution
The fourth proportional to 1,257,201.98, 1,734,938.73 and 684,246.23 is: 944,259.80
Step by Step Solution
- Step 1: Write the proportion equation
1,257,201.98 : 1,734,938.73 = 684,246.23 : x - Step 2: Convert to fraction form
1,257,201.98/1,734,938.73 = 684,246.23/x - Step 3: Cross multiply
1,257,201.98x = 1,734,938.73 × 684,246.23 - Step 4: Simplify right side
1,257,201.98x = 1,187,125,285,283.49 - Step 5: Solve for x
x = 1,187,125,285,283.49/1,257,201.98 - Step 6: Final answer
x = 944,259.80
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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.