Finding the Fourth Proportional to 1,128,529.60, 1,692,774.79 and 454,593.68
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Solution
The fourth proportional to 1,128,529.60, 1,692,774.79 and 454,593.68 is: 681,882.61
Step by Step Solution
- Step 1: Write the proportion equation
1,128,529.60 : 1,692,774.79 = 454,593.68 : x - Step 2: Convert to fraction form
1,128,529.60/1,692,774.79 = 454,593.68/x - Step 3: Cross multiply
1,128,529.60x = 1,692,774.79 × 454,593.68 - Step 4: Simplify right side
1,128,529.60x = 769,524,712,733.45 - Step 5: Solve for x
x = 769,524,712,733.45/1,128,529.60 - Step 6: Final answer
x = 681,882.61
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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.