Finding the Fourth Proportional to 1,130,005.92, 1,559,419.58 and 613,764.80
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Solution
The fourth proportional to 1,130,005.92, 1,559,419.58 and 613,764.80 is: 847,001.62
Step by Step Solution
- Step 1: Write the proportion equation
1,130,005.92 : 1,559,419.58 = 613,764.80 : x - Step 2: Convert to fraction form
1,130,005.92/1,559,419.58 = 613,764.80/x - Step 3: Cross multiply
1,130,005.92x = 1,559,419.58 × 613,764.80 - Step 4: Simplify right side
1,130,005.92x = 957,116,846,634.78 - Step 5: Solve for x
x = 957,116,846,634.78/1,130,005.92 - Step 6: Final answer
x = 847,001.62
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1.5x scale
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.