Finding the Fourth Proportional to 1,202,904.58, 1,660,009.62 and 651,621.58
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Solution
The fourth proportional to 1,202,904.58, 1,660,009.62 and 651,621.58 is: 899,238.48
Step by Step Solution
- Step 1: Write the proportion equation
1,202,904.58 : 1,660,009.62 = 651,621.58 : x - Step 2: Convert to fraction form
1,202,904.58/1,660,009.62 = 651,621.58/x - Step 3: Cross multiply
1,202,904.58x = 1,660,009.62 × 651,621.58 - Step 4: Simplify right side
1,202,904.58x = 1,081,698,091,399.60 - Step 5: Solve for x
x = 1,081,698,091,399.60/1,202,904.58 - Step 6: Final answer
x = 899,238.48
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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.