Finding the Fourth Proportional to 1,430,148.26, 1,973,115.74 and 818,078.04
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Solution
The fourth proportional to 1,430,148.26, 1,973,115.74 and 818,078.04 is: 1,128,668.06
Step by Step Solution
- Step 1: Write the proportion equation
1,430,148.26 : 1,973,115.74 = 818,078.04 : x - Step 2: Convert to fraction form
1,430,148.26/1,973,115.74 = 818,078.04/x - Step 3: Cross multiply
1,430,148.26x = 1,973,115.74 × 818,078.04 - Step 4: Simplify right side
1,430,148.26x = 1,614,162,657,272.35 - Step 5: Solve for x
x = 1,614,162,657,272.35/1,430,148.26 - Step 6: Final answer
x = 1,128,668.06
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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.