Finding the Fourth Proportional to 1,128,951.36, 1,558,682.46 and 699,687
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Solution
The fourth proportional to 1,128,951.36, 1,558,682.46 and 699,687 is: 966,020.23
Step by Step Solution
- Step 1: Write the proportion equation
1,128,951.36 : 1,558,682.46 = 699,687 : x - Step 2: Convert to fraction form
1,128,951.36/1,558,682.46 = 699,687/x - Step 3: Cross multiply
1,128,951.36x = 1,558,682.46 × 699,687 - Step 4: Simplify right side
1,128,951.36x = 1,090,589,854,390.02 - Step 5: Solve for x
x = 1,090,589,854,390.02/1,128,951.36 - Step 6: Final answer
x = 966,020.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.