Finding the Fourth Proportional to 1,489,567.68, 2,232,601.92 and 689,158.48
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Solution
The fourth proportional to 1,489,567.68, 2,232,601.92 and 689,158.48 is: 1,032,928.26
Step by Step Solution
- Step 1: Write the proportion equation
1,489,567.68 : 2,232,601.92 = 689,158.48 : x - Step 2: Convert to fraction form
1,489,567.68/2,232,601.92 = 689,158.48/x - Step 3: Cross multiply
1,489,567.68x = 2,232,601.92 × 689,158.48 - Step 4: Simplify right side
1,489,567.68x = 1,538,616,545,632.28 - Step 5: Solve for x
x = 1,538,616,545,632.28/1,489,567.68 - Step 6: Final answer
x = 1,032,928.26
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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.