Finding the Fourth Proportional to 1,130,518.72, 1,558,556.92 and 901,852.12
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Solution
The fourth proportional to 1,130,518.72, 1,558,556.92 and 901,852.12 is: 1,243,312.33
Step by Step Solution
- Step 1: Write the proportion equation
1,130,518.72 : 1,558,556.92 = 901,852.12 : x - Step 2: Convert to fraction form
1,130,518.72/1,558,556.92 = 901,852.12/x - Step 3: Cross multiply
1,130,518.72x = 1,558,556.92 × 901,852.12 - Step 4: Simplify right side
1,130,518.72x = 1,405,587,862,442.67 - Step 5: Solve for x
x = 1,405,587,862,442.67/1,130,518.72 - Step 6: Final answer
x = 1,243,312.33
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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.