Finding the Fourth Proportional to 1,142,593.36, 1,577,281.12 and 799,775.66
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Solution
The fourth proportional to 1,142,593.36, 1,577,281.12 and 799,775.66 is: 1,104,041.99
Step by Step Solution
- Step 1: Write the proportion equation
1,142,593.36 : 1,577,281.12 = 799,775.66 : x - Step 2: Convert to fraction form
1,142,593.36/1,577,281.12 = 799,775.66/x - Step 3: Cross multiply
1,142,593.36x = 1,577,281.12 × 799,775.66 - Step 4: Simplify right side
1,142,593.36x = 1,261,471,048,753.54 - Step 5: Solve for x
x = 1,261,471,048,753.54/1,142,593.36 - Step 6: Final answer
x = 1,104,041.99
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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.