Finding the Fourth Proportional to 1,124,329.20, 1,686,390.12 and 376,381.68
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Solution
The fourth proportional to 1,124,329.20, 1,686,390.12 and 376,381.68 is: 564,537.81
Step by Step Solution
- Step 1: Write the proportion equation
1,124,329.20 : 1,686,390.12 = 376,381.68 : x - Step 2: Convert to fraction form
1,124,329.20/1,686,390.12 = 376,381.68/x - Step 3: Cross multiply
1,124,329.20x = 1,686,390.12 × 376,381.68 - Step 4: Simplify right side
1,124,329.20x = 634,726,346,501.00 - Step 5: Solve for x
x = 634,726,346,501.00/1,124,329.20 - Step 6: Final answer
x = 564,537.81
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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.