Finding the Fourth Proportional to 1,560,485.79, 2,340,728.69 and 438,554.79
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Solution
The fourth proportional to 1,560,485.79, 2,340,728.69 and 438,554.79 is: 657,832.19
Step by Step Solution
- Step 1: Write the proportion equation
1,560,485.79 : 2,340,728.69 = 438,554.79 : x - Step 2: Convert to fraction form
1,560,485.79/2,340,728.69 = 438,554.79/x - Step 3: Cross multiply
1,560,485.79x = 2,340,728.69 × 438,554.79 - Step 4: Simplify right side
1,560,485.79x = 1,026,537,776,897.15 - Step 5: Solve for x
x = 1,026,537,776,897.15/1,560,485.79 - Step 6: Final answer
x = 657,832.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.