Finding the Fourth Proportional to 1,159,176.93, 1,599,762.77 and 643,097.12
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Solution
The fourth proportional to 1,159,176.93, 1,599,762.77 and 643,097.12 is: 887,528.72
Step by Step Solution
- Step 1: Write the proportion equation
1,159,176.93 : 1,599,762.77 = 643,097.12 : x - Step 2: Convert to fraction form
1,159,176.93/1,599,762.77 = 643,097.12/x - Step 3: Cross multiply
1,159,176.93x = 1,599,762.77 × 643,097.12 - Step 4: Simplify right side
1,159,176.93x = 1,028,802,818,855.92 - Step 5: Solve for x
x = 1,028,802,818,855.92/1,159,176.93 - Step 6: Final answer
x = 887,528.72
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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.