Finding the Fourth Proportional to 986,773.68, 1,473,020.28 and 867,202.56
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Solution
The fourth proportional to 986,773.68, 1,473,020.28 and 867,202.56 is: 1,294,528.81
Step by Step Solution
- Step 1: Write the proportion equation
986,773.68 : 1,473,020.28 = 867,202.56 : x - Step 2: Convert to fraction form
986,773.68/1,473,020.28 = 867,202.56/x - Step 3: Cross multiply
986,773.68x = 1,473,020.28 × 867,202.56 - Step 4: Simplify right side
986,773.68x = 1,277,406,957,747.92 - Step 5: Solve for x
x = 1,277,406,957,747.92/986,773.68 - Step 6: Final answer
x = 1,294,528.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.