Finding the Fourth Proportional to 1,119,322.68, 1,678,135.14 and 579,000.12
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Solution
The fourth proportional to 1,119,322.68, 1,678,135.14 and 579,000.12 is: 868,061.07
Step by Step Solution
- Step 1: Write the proportion equation
1,119,322.68 : 1,678,135.14 = 579,000.12 : x - Step 2: Convert to fraction form
1,119,322.68/1,678,135.14 = 579,000.12/x - Step 3: Cross multiply
1,119,322.68x = 1,678,135.14 × 579,000.12 - Step 4: Simplify right side
1,119,322.68x = 971,640,447,436.22 - Step 5: Solve for x
x = 971,640,447,436.22/1,119,322.68 - Step 6: Final answer
x = 868,061.07
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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.