Finding the Fourth Proportional to 1,115,258.05, 1,671,946.66 and 483,696.19
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Solution
The fourth proportional to 1,115,258.05, 1,671,946.66 and 483,696.19 is: 725,136.42
Step by Step Solution
- Step 1: Write the proportion equation
1,115,258.05 : 1,671,946.66 = 483,696.19 : x - Step 2: Convert to fraction form
1,115,258.05/1,671,946.66 = 483,696.19/x - Step 3: Cross multiply
1,115,258.05x = 1,671,946.66 × 483,696.19 - Step 4: Simplify right side
1,115,258.05x = 808,714,229,325.23 - Step 5: Solve for x
x = 808,714,229,325.23/1,115,258.05 - Step 6: Final answer
x = 725,136.42
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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.