Finding the Fourth Proportional to 1,439,035.68, 1,985,837.68 and 785,639.40
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Solution
The fourth proportional to 1,439,035.68, 1,985,837.68 and 785,639.40 is: 1,084,165.14
Step by Step Solution
- Step 1: Write the proportion equation
1,439,035.68 : 1,985,837.68 = 785,639.40 : x - Step 2: Convert to fraction form
1,439,035.68/1,985,837.68 = 785,639.40/x - Step 3: Cross multiply
1,439,035.68x = 1,985,837.68 × 785,639.40 - Step 4: Simplify right side
1,439,035.68x = 1,560,152,323,412.59 - Step 5: Solve for x
x = 1,560,152,323,412.59/1,439,035.68 - Step 6: Final answer
x = 1,084,165.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.