Finding the Fourth Proportional to 1,174,628.70, 1,761,943.05 and 643,187.70
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Solution
The fourth proportional to 1,174,628.70, 1,761,943.05 and 643,187.70 is: 964,781.55
Step by Step Solution
- Step 1: Write the proportion equation
1,174,628.70 : 1,761,943.05 = 643,187.70 : x - Step 2: Convert to fraction form
1,174,628.70/1,761,943.05 = 643,187.70/x - Step 3: Cross multiply
1,174,628.70x = 1,761,943.05 × 643,187.70 - Step 4: Simplify right side
1,174,628.70x = 1,133,260,097,860.48 - Step 5: Solve for x
x = 1,133,260,097,860.48/1,174,628.70 - Step 6: Final answer
x = 964,781.55
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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.