Finding the Fourth Proportional to 1,006,623.63, 1,389,163.83 and 571,070.16
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Solution
The fourth proportional to 1,006,623.63, 1,389,163.83 and 571,070.16 is: 788,089.99
Step by Step Solution
- Step 1: Write the proportion equation
1,006,623.63 : 1,389,163.83 = 571,070.16 : x - Step 2: Convert to fraction form
1,006,623.63/1,389,163.83 = 571,070.16/x - Step 3: Cross multiply
1,006,623.63x = 1,389,163.83 × 571,070.16 - Step 4: Simplify right side
1,006,623.63x = 793,310,010,664.31 - Step 5: Solve for x
x = 793,310,010,664.31/1,006,623.63 - Step 6: Final answer
x = 788,089.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.