Finding the Fourth Proportional to 1,439,860.63, 1,986,995.82 and 786,487.09
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Solution
The fourth proportional to 1,439,860.63, 1,986,995.82 and 786,487.09 is: 1,085,345.71
Step by Step Solution
- Step 1: Write the proportion equation
1,439,860.63 : 1,986,995.82 = 786,487.09 : x - Step 2: Convert to fraction form
1,439,860.63/1,986,995.82 = 786,487.09/x - Step 3: Cross multiply
1,439,860.63x = 1,986,995.82 × 786,487.09 - Step 4: Simplify right side
1,439,860.63x = 1,562,746,560,313.96 - Step 5: Solve for x
x = 1,562,746,560,313.96/1,439,860.63 - Step 6: Final answer
x = 1,085,345.71
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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.