Finding the Fourth Proportional to 1,128,551.27, 1,691,830.44 and 863,495.07
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Solution
The fourth proportional to 1,128,551.27, 1,691,830.44 and 863,495.07 is: 1,294,480.17
Step by Step Solution
- Step 1: Write the proportion equation
1,128,551.27 : 1,691,830.44 = 863,495.07 : x - Step 2: Convert to fraction form
1,128,551.27/1,691,830.44 = 863,495.07/x - Step 3: Cross multiply
1,128,551.27x = 1,691,830.44 × 863,495.07 - Step 4: Simplify right side
1,128,551.27x = 1,460,887,239,020.92 - Step 5: Solve for x
x = 1,460,887,239,020.92/1,128,551.27 - Step 6: Final answer
x = 1,294,480.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.