Finding the Fourth Proportional to 1,379,913.44, 2,067,407.64 and 748,424.48
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Solution
The fourth proportional to 1,379,913.44, 2,067,407.64 and 748,424.48 is: 1,121,301.12
Step by Step Solution
- Step 1: Write the proportion equation
1,379,913.44 : 2,067,407.64 = 748,424.48 : x - Step 2: Convert to fraction form
1,379,913.44/2,067,407.64 = 748,424.48/x - Step 3: Cross multiply
1,379,913.44x = 2,067,407.64 × 748,424.48 - Step 4: Simplify right side
1,379,913.44x = 1,547,298,487,915.03 - Step 5: Solve for x
x = 1,547,298,487,915.03/1,379,913.44 - Step 6: Final answer
x = 1,121,301.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.