Finding the Fourth Proportional to 1,403,818.74, 1,937,269.80 and 759,238.92
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Solution
The fourth proportional to 1,403,818.74, 1,937,269.80 and 759,238.92 is: 1,047,749.68
Step by Step Solution
- Step 1: Write the proportion equation
1,403,818.74 : 1,937,269.80 = 759,238.92 : x - Step 2: Convert to fraction form
1,403,818.74/1,937,269.80 = 759,238.92/x - Step 3: Cross multiply
1,403,818.74x = 1,937,269.80 × 759,238.92 - Step 4: Simplify right side
1,403,818.74x = 1,470,850,630,700.62 - Step 5: Solve for x
x = 1,470,850,630,700.62/1,403,818.74 - Step 6: Final answer
x = 1,047,749.68
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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.