Finding the Fourth Proportional to 1,128,403.24, 1,692,606.68 and 399,468.84
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Solution
The fourth proportional to 1,128,403.24, 1,692,606.68 and 399,468.84 is: 599,203.90
Step by Step Solution
- Step 1: Write the proportion equation
1,128,403.24 : 1,692,606.68 = 399,468.84 : x - Step 2: Convert to fraction form
1,128,403.24/1,692,606.68 = 399,468.84/x - Step 3: Cross multiply
1,128,403.24x = 1,692,606.68 × 399,468.84 - Step 4: Simplify right side
1,128,403.24x = 676,143,627,035.85 - Step 5: Solve for x
x = 676,143,627,035.85/1,128,403.24 - Step 6: Final answer
x = 599,203.90
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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.