Finding the Fourth Proportional to 1,422,656.40, 2,133,554.49 and 748,366.02
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Solution
The fourth proportional to 1,422,656.40, 2,133,554.49 and 748,366.02 is: 1,122,322.78
Step by Step Solution
- Step 1: Write the proportion equation
1,422,656.40 : 2,133,554.49 = 748,366.02 : x - Step 2: Convert to fraction form
1,422,656.40/2,133,554.49 = 748,366.02/x - Step 3: Cross multiply
1,422,656.40x = 2,133,554.49 × 748,366.02 - Step 4: Simplify right side
1,422,656.40x = 1,596,679,682,134.43 - Step 5: Solve for x
x = 1,596,679,682,134.43/1,422,656.40 - Step 6: Final answer
x = 1,122,322.78
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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.