Finding the Fourth Proportional to 1,506,742.26, 2,079,298.40 and 818,408.58
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Solution
The fourth proportional to 1,506,742.26, 2,079,298.40 and 818,408.58 is: 1,129,400.63
Step by Step Solution
- Step 1: Write the proportion equation
1,506,742.26 : 2,079,298.40 = 818,408.58 : x - Step 2: Convert to fraction form
1,506,742.26/2,079,298.40 = 818,408.58/x - Step 3: Cross multiply
1,506,742.26x = 2,079,298.40 × 818,408.58 - Step 4: Simplify right side
1,506,742.26x = 1,701,715,650,940.27 - Step 5: Solve for x
x = 1,701,715,650,940.27/1,506,742.26 - Step 6: Final answer
x = 1,129,400.63
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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.