Finding the Fourth Proportional to 1,167,577.79, 1,610,421.42 and 758,917.40
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Solution
The fourth proportional to 1,167,577.79, 1,610,421.42 and 758,917.40 is: 1,046,762.66
Step by Step Solution
- Step 1: Write the proportion equation
1,167,577.79 : 1,610,421.42 = 758,917.40 : x - Step 2: Convert to fraction form
1,167,577.79/1,610,421.42 = 758,917.40/x - Step 3: Cross multiply
1,167,577.79x = 1,610,421.42 × 758,917.40 - Step 4: Simplify right side
1,167,577.79x = 1,222,176,828,918.60 - Step 5: Solve for x
x = 1,222,176,828,918.60/1,167,577.79 - Step 6: Final answer
x = 1,046,762.66
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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.