Finding the Fourth Proportional to 1,330,071.60, 1,993,746.60 and 655,114.80
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Solution
The fourth proportional to 1,330,071.60, 1,993,746.60 and 655,114.80 is: 982,001.95
Step by Step Solution
- Step 1: Write the proportion equation
1,330,071.60 : 1,993,746.60 = 655,114.80 : x - Step 2: Convert to fraction form
1,330,071.60/1,993,746.60 = 655,114.80/x - Step 3: Cross multiply
1,330,071.60x = 1,993,746.60 × 655,114.80 - Step 4: Simplify right side
1,330,071.60x = 1,306,132,905,109.68 - Step 5: Solve for x
x = 1,306,132,905,109.68/1,330,071.60 - Step 6: Final answer
x = 982,001.95
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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.