Finding the Fourth Proportional to 1,124,377.68, 1,683,863.64 and 643,146.96
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Solution
The fourth proportional to 1,124,377.68, 1,683,863.64 and 643,146.96 is: 963,174.39
Step by Step Solution
- Step 1: Write the proportion equation
1,124,377.68 : 1,683,863.64 = 643,146.96 : x - Step 2: Convert to fraction form
1,124,377.68/1,683,863.64 = 643,146.96/x - Step 3: Cross multiply
1,124,377.68x = 1,683,863.64 × 643,146.96 - Step 4: Simplify right side
1,124,377.68x = 1,082,971,781,120.53 - Step 5: Solve for x
x = 1,082,971,781,120.53/1,124,377.68 - Step 6: Final answer
x = 963,174.39
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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.