Finding the Fourth Proportional to 1,209,513.29, 1,813,837.68 and 399,747.87
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Solution
The fourth proportional to 1,209,513.29, 1,813,837.68 and 399,747.87 is: 599,478.95
Step by Step Solution
- Step 1: Write the proportion equation
1,209,513.29 : 1,813,837.68 = 399,747.87 : x - Step 2: Convert to fraction form
1,209,513.29/1,813,837.68 = 399,747.87/x - Step 3: Cross multiply
1,209,513.29x = 1,813,837.68 × 399,747.87 - Step 4: Simplify right side
1,209,513.29x = 725,077,749,105.74 - Step 5: Solve for x
x = 725,077,749,105.74/1,209,513.29 - Step 6: Final answer
x = 599,478.95
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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.