Finding the Fourth Proportional to 1,334,690.25, 1,841,863.41 and 722,828.94
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Solution
The fourth proportional to 1,334,690.25, 1,841,863.41 and 722,828.94 is: 997,498.99
Step by Step Solution
- Step 1: Write the proportion equation
1,334,690.25 : 1,841,863.41 = 722,828.94 : x - Step 2: Convert to fraction form
1,334,690.25/1,841,863.41 = 722,828.94/x - Step 3: Cross multiply
1,334,690.25x = 1,841,863.41 × 722,828.94 - Step 4: Simplify right side
1,334,690.25x = 1,331,352,176,275.09 - Step 5: Solve for x
x = 1,331,352,176,275.09/1,334,690.25 - Step 6: Final answer
x = 997,498.99
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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.