Finding the Fourth Proportional to 1,317,176.70, 1,971,099.45 and 897,272.70
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Solution
The fourth proportional to 1,317,176.70, 1,971,099.45 and 897,272.70 is: 1,342,730.80
Step by Step Solution
- Step 1: Write the proportion equation
1,317,176.70 : 1,971,099.45 = 897,272.70 : x - Step 2: Convert to fraction form
1,317,176.70/1,971,099.45 = 897,272.70/x - Step 3: Cross multiply
1,317,176.70x = 1,971,099.45 × 897,272.70 - Step 4: Simplify right side
1,317,176.70x = 1,768,613,725,470.02 - Step 5: Solve for x
x = 1,768,613,725,470.02/1,317,176.70 - Step 6: Final answer
x = 1,342,730.80
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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.