Finding the Fourth Proportional to 1,560,603.09, 2,340,904.65 and 438,672.09
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Solution
The fourth proportional to 1,560,603.09, 2,340,904.65 and 438,672.09 is: 658,008.14
Step by Step Solution
- Step 1: Write the proportion equation
1,560,603.09 : 2,340,904.65 = 438,672.09 : x - Step 2: Convert to fraction form
1,560,603.09/2,340,904.65 = 438,672.09/x - Step 3: Cross multiply
1,560,603.09x = 2,340,904.65 × 438,672.09 - Step 4: Simplify right side
1,560,603.09x = 1,026,889,535,306.22 - Step 5: Solve for x
x = 1,026,889,535,306.22/1,560,603.09 - Step 6: Final answer
x = 658,008.14
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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.